Client update

See changelog.md

9 files changed, 0 insertions, 1093 deletions

diff --git a/client/katex/contrib/auto-render.js b/client/katex/contrib/auto-render.js
deleted file mode 100644
index e7bda80..0000000
--- a/client/katex/contrib/auto-render.js
+++ /dev/null
@@ -1,790 +0,0 @@
-(function webpackUniversalModuleDefinition(root, factory) {
-	if(typeof exports === 'object' && typeof module === 'object')
-		module.exports = factory(require("katex"));
-	else if(typeof define === 'function' && define.amd)
-		define(["katex"], factory);
-	else if(typeof exports === 'object')
-		exports["renderMathInElement"] = factory(require("katex"));
-	else
-		root["renderMathInElement"] = factory(root["katex"]);
-})(this, function(__WEBPACK_EXTERNAL_MODULE_38__) {
-return /******/ (function(modules) { // webpackBootstrap
-/******/ 	// The module cache
-/******/ 	var installedModules = {};
-/******/
-/******/ 	// The require function
-/******/ 	function __webpack_require__(moduleId) {
-/******/
-/******/ 		// Check if module is in cache
-/******/ 		if(installedModules[moduleId]) {
-/******/ 			return installedModules[moduleId].exports;
-/******/ 		}
-/******/ 		// Create a new module (and put it into the cache)
-/******/ 		var module = installedModules[moduleId] = {
-/******/ 			i: moduleId,
-/******/ 			l: false,
-/******/ 			exports: {}
-/******/ 		};
-/******/
-/******/ 		// Execute the module function
-/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
-/******/
-/******/ 		// Flag the module as loaded
-/******/ 		module.l = true;
-/******/
-/******/ 		// Return the exports of the module
-/******/ 		return module.exports;
-/******/ 	}
-/******/
-/******/
-/******/ 	// expose the modules object (__webpack_modules__)
-/******/ 	__webpack_require__.m = modules;
-/******/
-/******/ 	// expose the module cache
-/******/ 	__webpack_require__.c = installedModules;
-/******/
-/******/ 	// define getter function for harmony exports
-/******/ 	__webpack_require__.d = function(exports, name, getter) {
-/******/ 		if(!__webpack_require__.o(exports, name)) {
-/******/ 			Object.defineProperty(exports, name, {
-/******/ 				configurable: false,
-/******/ 				enumerable: true,
-/******/ 				get: getter
-/******/ 			});
-/******/ 		}
-/******/ 	};
-/******/
-/******/ 	// getDefaultExport function for compatibility with non-harmony modules
-/******/ 	__webpack_require__.n = function(module) {
-/******/ 		var getter = module && module.__esModule ?
-/******/ 			function getDefault() { return module['default']; } :
-/******/ 			function getModuleExports() { return module; };
-/******/ 		__webpack_require__.d(getter, 'a', getter);
-/******/ 		return getter;
-/******/ 	};
-/******/
-/******/ 	// Object.prototype.hasOwnProperty.call
-/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
-/******/
-/******/ 	// __webpack_public_path__
-/******/ 	__webpack_require__.p = "";
-/******/
-/******/ 	// Load entry module and return exports
-/******/ 	return __webpack_require__(__webpack_require__.s = 9);
-/******/ })
-/************************************************************************/
-/******/ ([
-/* 0 */
-/***/ (function(module, exports) {
-
-// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
-var global = module.exports = typeof window != 'undefined' && window.Math == Math
-  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();
-if(typeof __g == 'number')__g = global; // eslint-disable-line no-undef
-
-/***/ }),
-/* 1 */
-/***/ (function(module, exports) {
-
-module.exports = function(it){
-  return typeof it === 'object' ? it !== null : typeof it === 'function';
-};
-
-/***/ }),
-/* 2 */
-/***/ (function(module, exports, __webpack_require__) {
-
-// Thank's IE8 for his funny defineProperty
-module.exports = !__webpack_require__(3)(function(){
-  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;
-});
-
-/***/ }),
-/* 3 */
-/***/ (function(module, exports) {
-
-module.exports = function(exec){
-  try {
-    return !!exec();
-  } catch(e){
-    return true;
-  }
-};
-
-/***/ }),
-/* 4 */
-/***/ (function(module, exports) {
-
-var core = module.exports = {version: '2.4.0'};
-if(typeof __e == 'number')__e = core; // eslint-disable-line no-undef
-
-/***/ }),
-/* 5 */
-/***/ (function(module, exports, __webpack_require__) {
-
-// to indexed object, toObject with fallback for non-array-like ES3 strings
-var IObject = __webpack_require__(6)
-  , defined = __webpack_require__(7);
-module.exports = function(it){
-  return IObject(defined(it));
-};
-
-/***/ }),
-/* 6 */
-/***/ (function(module, exports, __webpack_require__) {
-
-// fallback for non-array-like ES3 and non-enumerable old V8 strings
-var cof = __webpack_require__(27);
-module.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){
-  return cof(it) == 'String' ? it.split('') : Object(it);
-};
-
-/***/ }),
-/* 7 */
-/***/ (function(module, exports) {
-
-// 7.2.1 RequireObjectCoercible(argument)
-module.exports = function(it){
-  if(it == undefined)throw TypeError("Can't call method on  " + it);
-  return it;
-};
-
-/***/ }),
-/* 8 */
-/***/ (function(module, exports) {
-
-// 7.1.4 ToInteger
-var ceil  = Math.ceil
-  , floor = Math.floor;
-module.exports = function(it){
-  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
-};
-
-/***/ }),
-/* 9 */
-/***/ (function(module, __webpack_exports__, __webpack_require__) {
-
-"use strict";
-Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
-/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_babel_runtime_core_js_object_assign__ = __webpack_require__(10);
-/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_babel_runtime_core_js_object_assign___default = __webpack_require__.n(__WEBPACK_IMPORTED_MODULE_0_babel_runtime_core_js_object_assign__);
-/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1_katex__ = __webpack_require__(38);
-/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1_katex___default = __webpack_require__.n(__WEBPACK_IMPORTED_MODULE_1_katex__);
-/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__splitAtDelimiters__ = __webpack_require__(39);
-
-/* eslint no-console:0 */
-
-
-
-
-var splitWithDelimiters = function splitWithDelimiters(text, delimiters) {
-    var data = [{ type: "text", data: text }];
-    for (var i = 0; i < delimiters.length; i++) {
-        var delimiter = delimiters[i];
-        data = Object(__WEBPACK_IMPORTED_MODULE_2__splitAtDelimiters__["a" /* default */])(data, delimiter.left, delimiter.right, delimiter.display || false);
-    }
-    return data;
-};
-
-/* Note: optionsCopy is mutated by this method. If it is ever exposed in the
- * API, we should copy it before mutating.
- */
-var renderMathInText = function renderMathInText(text, optionsCopy) {
-    var data = splitWithDelimiters(text, optionsCopy.delimiters);
-    var fragment = document.createDocumentFragment();
-
-    for (var i = 0; i < data.length; i++) {
-        if (data[i].type === "text") {
-            fragment.appendChild(document.createTextNode(data[i].data));
-        } else {
-            var span = document.createElement("span");
-            var math = data[i].data;
-            // Override any display mode defined in the settings with that
-            // defined by the text itself
-            optionsCopy.displayMode = data[i].display;
-            try {
-                __WEBPACK_IMPORTED_MODULE_1_katex___default.a.render(math, span, optionsCopy);
-            } catch (e) {
-                if (!(e instanceof __WEBPACK_IMPORTED_MODULE_1_katex___default.a.ParseError)) {
-                    throw e;
-                }
-                optionsCopy.errorCallback("KaTeX auto-render: Failed to parse `" + data[i].data + "` with ", e);
-                fragment.appendChild(document.createTextNode(data[i].rawData));
-                continue;
-            }
-            fragment.appendChild(span);
-        }
-    }
-
-    return fragment;
-};
-
-var renderElem = function renderElem(elem, optionsCopy) {
-    for (var i = 0; i < elem.childNodes.length; i++) {
-        var childNode = elem.childNodes[i];
-        if (childNode.nodeType === 3) {
-            // Text node
-            var frag = renderMathInText(childNode.textContent, optionsCopy);
-            i += frag.childNodes.length - 1;
-            elem.replaceChild(frag, childNode);
-        } else if (childNode.nodeType === 1) {
-            // Element node
-            var shouldRender = optionsCopy.ignoredTags.indexOf(childNode.nodeName.toLowerCase()) === -1;
-
-            if (shouldRender) {
-                renderElem(childNode, optionsCopy);
-            }
-        }
-        // Otherwise, it's something else, and ignore it.
-    }
-};
-
-var defaultAutoRenderOptions = {
-    delimiters: [{ left: "$$", right: "$$", display: true }, { left: "\\[", right: "\\]", display: true }, { left: "\\(", right: "\\)", display: false }],
-
-    ignoredTags: ["script", "noscript", "style", "textarea", "pre", "code"],
-
-    errorCallback: function errorCallback(msg, err) {
-        console.error(msg, err);
-    }
-};
-
-var renderMathInElement = function renderMathInElement(elem, options) {
-    if (!elem) {
-        throw new Error("No element provided to render");
-    }
-
-    var optionsCopy = __WEBPACK_IMPORTED_MODULE_0_babel_runtime_core_js_object_assign___default()({}, defaultAutoRenderOptions, options);
-    renderElem(elem, optionsCopy);
-};
-
-/* harmony default export */ __webpack_exports__["default"] = (renderMathInElement);
-
-/***/ }),
-/* 10 */
-/***/ (function(module, exports, __webpack_require__) {
-
-module.exports = { "default": __webpack_require__(11), __esModule: true };
-
-/***/ }),
-/* 11 */
-/***/ (function(module, exports, __webpack_require__) {
-
-__webpack_require__(12);
-module.exports = __webpack_require__(4).Object.assign;
-
-/***/ }),
-/* 12 */
-/***/ (function(module, exports, __webpack_require__) {
-
-// 19.1.3.1 Object.assign(target, source)
-var $export = __webpack_require__(13);
-
-$export($export.S + $export.F, 'Object', {assign: __webpack_require__(23)});
-
-/***/ }),
-/* 13 */
-/***/ (function(module, exports, __webpack_require__) {
-
-var global    = __webpack_require__(0)
-  , core      = __webpack_require__(4)
-  , ctx       = __webpack_require__(14)
-  , hide      = __webpack_require__(16)
-  , PROTOTYPE = 'prototype';
-
-var $export = function(type, name, source){
-  var IS_FORCED = type & $export.F
-    , IS_GLOBAL = type & $export.G
-    , IS_STATIC = type & $export.S
-    , IS_PROTO  = type & $export.P
-    , IS_BIND   = type & $export.B
-    , IS_WRAP   = type & $export.W
-    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})
-    , expProto  = exports[PROTOTYPE]
-    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]
-    , key, own, out;
-  if(IS_GLOBAL)source = name;
-  for(key in source){
-    // contains in native
-    own = !IS_FORCED && target && target[key] !== undefined;
-    if(own && key in exports)continue;
-    // export native or passed
-    out = own ? target[key] : source[key];
-    // prevent global pollution for namespaces
-    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
-    // bind timers to global for call from export context
-    : IS_BIND && own ? ctx(out, global)
-    // wrap global constructors for prevent change them in library
-    : IS_WRAP && target[key] == out ? (function(C){
-      var F = function(a, b, c){
-        if(this instanceof C){
-          switch(arguments.length){
-            case 0: return new C;
-            case 1: return new C(a);
-            case 2: return new C(a, b);
-          } return new C(a, b, c);
-        } return C.apply(this, arguments);
-      };
-      F[PROTOTYPE] = C[PROTOTYPE];
-      return F;
-    // make static versions for prototype methods
-    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
-    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%
-    if(IS_PROTO){
-      (exports.virtual || (exports.virtual = {}))[key] = out;
-      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%
-      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);
-    }
-  }
-};
-// type bitmap
-$export.F = 1;   // forced
-$export.G = 2;   // global
-$export.S = 4;   // static
-$export.P = 8;   // proto
-$export.B = 16;  // bind
-$export.W = 32;  // wrap
-$export.U = 64;  // safe
-$export.R = 128; // real proto method for `library` 
-module.exports = $export;
-
-/***/ }),
-/* 14 */
-/***/ (function(module, exports, __webpack_require__) {
-
-// optional / simple context binding
-var aFunction = __webpack_require__(15);
-module.exports = function(fn, that, length){
-  aFunction(fn);
-  if(that === undefined)return fn;
-  switch(length){
-    case 1: return function(a){
-      return fn.call(that, a);
-    };
-    case 2: return function(a, b){
-      return fn.call(that, a, b);
-    };
-    case 3: return function(a, b, c){
-      return fn.call(that, a, b, c);
-    };
-  }
-  return function(/* ...args */){
-    return fn.apply(that, arguments);
-  };
-};
-
-/***/ }),
-/* 15 */
-/***/ (function(module, exports) {
-
-module.exports = function(it){
-  if(typeof it != 'function')throw TypeError(it + ' is not a function!');
-  return it;
-};
-
-/***/ }),
-/* 16 */
-/***/ (function(module, exports, __webpack_require__) {
-
-var dP         = __webpack_require__(17)
-  , createDesc = __webpack_require__(22);
-module.exports = __webpack_require__(2) ? function(object, key, value){
-  return dP.f(object, key, createDesc(1, value));
-} : function(object, key, value){
-  object[key] = value;
-  return object;
-};
-
-/***/ }),
-/* 17 */
-/***/ (function(module, exports, __webpack_require__) {
-
-var anObject       = __webpack_require__(18)
-  , IE8_DOM_DEFINE = __webpack_require__(19)
-  , toPrimitive    = __webpack_require__(21)
-  , dP             = Object.defineProperty;
-
-exports.f = __webpack_require__(2) ? Object.defineProperty : function defineProperty(O, P, Attributes){
-  anObject(O);
-  P = toPrimitive(P, true);
-  anObject(Attributes);
-  if(IE8_DOM_DEFINE)try {
-    return dP(O, P, Attributes);
-  } catch(e){ /* empty */ }
-  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');
-  if('value' in Attributes)O[P] = Attributes.value;
-  return O;
-};
-
-/***/ }),
-/* 18 */
-/***/ (function(module, exports, __webpack_require__) {
-
-var isObject = __webpack_require__(1);
-module.exports = function(it){
-  if(!isObject(it))throw TypeError(it + ' is not an object!');
-  return it;
-};
-
-/***/ }),
-/* 19 */
-/***/ (function(module, exports, __webpack_require__) {
-
-module.exports = !__webpack_require__(2) && !__webpack_require__(3)(function(){
-  return Object.defineProperty(__webpack_require__(20)('div'), 'a', {get: function(){ return 7; }}).a != 7;
-});
-
-/***/ }),
-/* 20 */
-/***/ (function(module, exports, __webpack_require__) {
-
-var isObject = __webpack_require__(1)
-  , document = __webpack_require__(0).document
-  // in old IE typeof document.createElement is 'object'
-  , is = isObject(document) && isObject(document.createElement);
-module.exports = function(it){
-  return is ? document.createElement(it) : {};
-};
-
-/***/ }),
-/* 21 */
-/***/ (function(module, exports, __webpack_require__) {
-
-// 7.1.1 ToPrimitive(input [, PreferredType])
-var isObject = __webpack_require__(1);
-// instead of the ES6 spec version, we didn't implement @@toPrimitive case
-// and the second argument - flag - preferred type is a string
-module.exports = function(it, S){
-  if(!isObject(it))return it;
-  var fn, val;
-  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;
-  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;
-  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;
-  throw TypeError("Can't convert object to primitive value");
-};
-
-/***/ }),
-/* 22 */
-/***/ (function(module, exports) {
-
-module.exports = function(bitmap, value){
-  return {
-    enumerable  : !(bitmap & 1),
-    configurable: !(bitmap & 2),
-    writable    : !(bitmap & 4),
-    value       : value
-  };
-};
-
-/***/ }),
-/* 23 */
-/***/ (function(module, exports, __webpack_require__) {
-
-"use strict";
-
-// 19.1.2.1 Object.assign(target, source, ...)
-var getKeys  = __webpack_require__(24)
-  , gOPS     = __webpack_require__(35)
-  , pIE      = __webpack_require__(36)
-  , toObject = __webpack_require__(37)
-  , IObject  = __webpack_require__(6)
-  , $assign  = Object.assign;
-
-// should work with symbols and should have deterministic property order (V8 bug)
-module.exports = !$assign || __webpack_require__(3)(function(){
-  var A = {}
-    , B = {}
-    , S = Symbol()
-    , K = 'abcdefghijklmnopqrst';
-  A[S] = 7;
-  K.split('').forEach(function(k){ B[k] = k; });
-  return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
-}) ? function assign(target, source){ // eslint-disable-line no-unused-vars
-  var T     = toObject(target)
-    , aLen  = arguments.length
-    , index = 1
-    , getSymbols = gOPS.f
-    , isEnum     = pIE.f;
-  while(aLen > index){
-    var S      = IObject(arguments[index++])
-      , keys   = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S)
-      , length = keys.length
-      , j      = 0
-      , key;
-    while(length > j)if(isEnum.call(S, key = keys[j++]))T[key] = S[key];
-  } return T;
-} : $assign;
-
-/***/ }),
-/* 24 */
-/***/ (function(module, exports, __webpack_require__) {
-
-// 19.1.2.14 / 15.2.3.14 Object.keys(O)
-var $keys       = __webpack_require__(25)
-  , enumBugKeys = __webpack_require__(34);
-
-module.exports = Object.keys || function keys(O){
-  return $keys(O, enumBugKeys);
-};
-
-/***/ }),
-/* 25 */
-/***/ (function(module, exports, __webpack_require__) {
-
-var has          = __webpack_require__(26)
-  , toIObject    = __webpack_require__(5)
-  , arrayIndexOf = __webpack_require__(28)(false)
-  , IE_PROTO     = __webpack_require__(31)('IE_PROTO');
-
-module.exports = function(object, names){
-  var O      = toIObject(object)
-    , i      = 0
-    , result = []
-    , key;
-  for(key in O)if(key != IE_PROTO)has(O, key) && result.push(key);
-  // Don't enum bug & hidden keys
-  while(names.length > i)if(has(O, key = names[i++])){
-    ~arrayIndexOf(result, key) || result.push(key);
-  }
-  return result;
-};
-
-/***/ }),
-/* 26 */
-/***/ (function(module, exports) {
-
-var hasOwnProperty = {}.hasOwnProperty;
-module.exports = function(it, key){
-  return hasOwnProperty.call(it, key);
-};
-
-/***/ }),
-/* 27 */
-/***/ (function(module, exports) {
-
-var toString = {}.toString;
-
-module.exports = function(it){
-  return toString.call(it).slice(8, -1);
-};
-
-/***/ }),
-/* 28 */
-/***/ (function(module, exports, __webpack_require__) {
-
-// false -> Array#indexOf
-// true  -> Array#includes
-var toIObject = __webpack_require__(5)
-  , toLength  = __webpack_require__(29)
-  , toIndex   = __webpack_require__(30);
-module.exports = function(IS_INCLUDES){
-  return function($this, el, fromIndex){
-    var O      = toIObject($this)
-      , length = toLength(O.length)
-      , index  = toIndex(fromIndex, length)
-      , value;
-    // Array#includes uses SameValueZero equality algorithm
-    if(IS_INCLUDES && el != el)while(length > index){
-      value = O[index++];
-      if(value != value)return true;
-    // Array#toIndex ignores holes, Array#includes - not
-    } else for(;length > index; index++)if(IS_INCLUDES || index in O){
-      if(O[index] === el)return IS_INCLUDES || index || 0;
-    } return !IS_INCLUDES && -1;
-  };
-};
-
-/***/ }),
-/* 29 */
-/***/ (function(module, exports, __webpack_require__) {
-
-// 7.1.15 ToLength
-var toInteger = __webpack_require__(8)
-  , min       = Math.min;
-module.exports = function(it){
-  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
-};
-
-/***/ }),
-/* 30 */
-/***/ (function(module, exports, __webpack_require__) {
-
-var toInteger = __webpack_require__(8)
-  , max       = Math.max
-  , min       = Math.min;
-module.exports = function(index, length){
-  index = toInteger(index);
-  return index < 0 ? max(index + length, 0) : min(index, length);
-};
-
-/***/ }),
-/* 31 */
-/***/ (function(module, exports, __webpack_require__) {
-
-var shared = __webpack_require__(32)('keys')
-  , uid    = __webpack_require__(33);
-module.exports = function(key){
-  return shared[key] || (shared[key] = uid(key));
-};
-
-/***/ }),
-/* 32 */
-/***/ (function(module, exports, __webpack_require__) {
-
-var global = __webpack_require__(0)
-  , SHARED = '__core-js_shared__'
-  , store  = global[SHARED] || (global[SHARED] = {});
-module.exports = function(key){
-  return store[key] || (store[key] = {});
-};
-
-/***/ }),
-/* 33 */
-/***/ (function(module, exports) {
-
-var id = 0
-  , px = Math.random();
-module.exports = function(key){
-  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
-};
-
-/***/ }),
-/* 34 */
-/***/ (function(module, exports) {
-
-// IE 8- don't enum bug keys
-module.exports = (
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diff --git a/client/katex/contrib/auto-render.min.js b/client/katex/contrib/auto-render.min.js
deleted file mode 100644
index a93360a..0000000
--- a/client/katex/contrib/auto-render.min.js
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/client/katex/contrib/copy-tex.css b/client/katex/contrib/copy-tex.css
deleted file mode 100644
index aae1a93..0000000
--- a/client/katex/contrib/copy-tex.css
+++ /dev/null
@@ -1,12 +0,0 @@
-/* Force selection of entire .katex/.katex-display blocks, so that we can
- * copy/paste the entire source code.  If you omit this CSS, partial
- * selections of a formula will work, but will copy the ugly HTML
- * representation instead of the LaTeX source code.  (Full selections will
- * still produce the LaTeX source code.)
- */
-.katex, .katex-display {
-    user-select: all;
-    -moz-user-select: all;
-    -webkit-user-select: all;
-    -ms-user-select: all;
-}
diff --git a/client/katex/contrib/copy-tex.js b/client/katex/contrib/copy-tex.js
deleted file mode 100644
index ecfaedf..0000000
--- a/client/katex/contrib/copy-tex.js
+++ /dev/null
@@ -1,174 +0,0 @@
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-	if(typeof exports === 'object' && typeof module === 'object')
-		module.exports = factory();
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-	else {
-		var a = factory();
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-
-"use strict";
-Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
-/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__copy_tex_css__ = __webpack_require__(1);
-/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__copy_tex_css___default = __webpack_require__.n(__WEBPACK_IMPORTED_MODULE_0__copy_tex_css__);
-/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__katex2tex__ = __webpack_require__(2);
-
-
-
-// Global copy handler to modify behavior on .katex elements.
-document.addEventListener('copy', function (event) {
-    var selection = window.getSelection();
-    if (selection.isCollapsed) {
-        return; // default action OK if selection is empty
-    }
-    var fragment = selection.getRangeAt(0).cloneContents();
-    if (!fragment.querySelector('.katex-mathml')) {
-        return; // default action OK if no .katex-mathml elements
-    }
-    // Preserve usual HTML copy/paste behavior.
-    var html = [];
-    for (var i = 0; i < fragment.childNodes.length; i++) {
-        html.push(fragment.childNodes[i].outerHTML);
-    }
-    event.clipboardData.setData('text/html', html.join(''));
-    // Rewrite plain-text version.
-    event.clipboardData.setData('text/plain', Object(__WEBPACK_IMPORTED_MODULE_1__katex2tex__["a" /* default */])(fragment).textContent);
-    // Prevent normal copy handling.
-    event.preventDefault();
-});
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-/***/ }),
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-"use strict";
-/* unused harmony export defaultCopyDelimiters */
-/* unused harmony export katexReplaceWithTex */
-// Set these to how you want inline and display math to be delimited.
-var defaultCopyDelimiters = {
-    inline: ['$', '$'], // alternative: ['\(', '\)']
-    display: ['$$', '$$'] // alternative: ['\[', '\]']
-};
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-// Replace .katex elements with their TeX source (<annotation> element).
-// Modifies fragment in-place.  Useful for writing your own 'copy' handler,
-// as in copy-tex.js.
-var katexReplaceWithTex = function katexReplaceWithTex(fragment) {
-    var copyDelimiters = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : defaultCopyDelimiters;
-
-    // Remove .katex-html blocks that are preceded by .katex-mathml blocks
-    // (which will get replaced below).
-    var katexHtml = fragment.querySelectorAll('.katex-mathml + .katex-html');
-    for (var i = 0; i < katexHtml.length; i++) {
-        var element = katexHtml[i];
-        if (element.remove) {
-            element.remove(null);
-        } else {
-            element.parentNode.removeChild(element);
-        }
-    }
-    // Replace .katex-mathml elements with their annotation (TeX source)
-    // descendant, with inline delimiters.
-    var katexMathml = fragment.querySelectorAll('.katex-mathml');
-    for (var _i = 0; _i < katexMathml.length; _i++) {
-        var _element = katexMathml[_i];
-        var texSource = _element.querySelector('annotation');
-        if (texSource) {
-            if (_element.replaceWith) {
-                _element.replaceWith(texSource);
-            } else {
-                _element.parentNode.replaceChild(texSource, _element);
-            }
-            texSource.innerHTML = copyDelimiters.inline[0] + texSource.innerHTML + copyDelimiters.inline[1];
-        }
-    }
-    // Switch display math to display delimiters.
-    var displays = fragment.querySelectorAll('.katex-display annotation');
-    for (var _i2 = 0; _i2 < displays.length; _i2++) {
-        var _element2 = displays[_i2];
-        _element2.innerHTML = copyDelimiters.display[0] + _element2.innerHTML.substr(copyDelimiters.inline[0].length, _element2.innerHTML.length - copyDelimiters.inline[0].length - copyDelimiters.inline[1].length) + copyDelimiters.display[1];
-    }
-    return fragment;
-};
-
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-
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-/******/ ])["default"];
-});
\ No newline at end of file
diff --git a/client/katex/contrib/copy-tex.min.css b/client/katex/contrib/copy-tex.min.css
deleted file mode 100644
index e5b8b8f..0000000
--- a/client/katex/contrib/copy-tex.min.css
+++ /dev/null
@@ -1 +0,0 @@
-.katex,.katex-display{user-select:all;-moz-user-select:all;-webkit-user-select:all;-ms-user-select:all}
\ No newline at end of file
diff --git a/client/katex/contrib/copy-tex.min.js b/client/katex/contrib/copy-tex.min.js
deleted file mode 100644
index 5222cbe..0000000
--- a/client/katex/contrib/copy-tex.min.js
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/client/katex/contrib/index.html b/client/katex/contrib/index.html
deleted file mode 100644
index e69de29..0000000
--- a/client/katex/contrib/index.html
+++ /dev/null
diff --git a/client/katex/contrib/mathtex-script-type.js b/client/katex/contrib/mathtex-script-type.js
deleted file mode 100644
index 69602ff..0000000
--- a/client/katex/contrib/mathtex-script-type.js
+++ /dev/null
@@ -1,113 +0,0 @@
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-	if(typeof exports === 'object' && typeof module === 'object')
-		module.exports = factory(require("katex"));
-	else if(typeof define === 'function' && define.amd)
-		define(["katex"], factory);
-	else {
-		var a = typeof exports === 'object' ? factory(require("katex")) : factory(root["katex"]);
-		for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];
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-/***/ (function(module, __webpack_exports__, __webpack_require__) {
-
-"use strict";
-Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
-/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_katex__ = __webpack_require__(1);
-/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_katex___default = __webpack_require__.n(__WEBPACK_IMPORTED_MODULE_0_katex__);
-
-
-var scripts = document.body.getElementsByTagName("script");
-scripts = Array.prototype.slice.call(scripts);
-scripts.forEach(function (script) {
-    if (!script.type || !script.type.match(/math\/tex/i)) {
-        return -1;
-    }
-    var display = script.type.match(/mode\s*=\s*display(;|\s|\n|$)/) != null;
-
-    var katexElement = document.createElement(display ? "div" : "span");
-    katexElement.setAttribute("class", display ? "equation" : "inline-equation");
-    try {
-        __WEBPACK_IMPORTED_MODULE_0_katex___default.a.render(script.text, katexElement, { displayMode: display });
-    } catch (err) {
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diff --git a/client/katex/contrib/mathtex-script-type.min.js b/client/katex/contrib/mathtex-script-type.min.js
deleted file mode 100644
index 462ebe9..0000000
--- a/client/katex/contrib/mathtex-script-type.min.js
+++ /dev/null
@@ -1 +0,0 @@
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