Index: frontend/node_modules/url-parse/index.js
===================================================================
--- frontend/node_modules/url-parse/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/url-parse/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,589 @@
+'use strict';
+
+var required = require('requires-port')
+  , qs = require('querystringify')
+  , controlOrWhitespace = /^[\x00-\x20\u00a0\u1680\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff]+/
+  , CRHTLF = /[\n\r\t]/g
+  , slashes = /^[A-Za-z][A-Za-z0-9+-.]*:\/\//
+  , port = /:\d+$/
+  , protocolre = /^([a-z][a-z0-9.+-]*:)?(\/\/)?([\\/]+)?([\S\s]*)/i
+  , windowsDriveLetter = /^[a-zA-Z]:/;
+
+/**
+ * Remove control characters and whitespace from the beginning of a string.
+ *
+ * @param {Object|String} str String to trim.
+ * @returns {String} A new string representing `str` stripped of control
+ *     characters and whitespace from its beginning.
+ * @public
+ */
+function trimLeft(str) {
+  return (str ? str : '').toString().replace(controlOrWhitespace, '');
+}
+
+/**
+ * These are the parse rules for the URL parser, it informs the parser
+ * about:
+ *
+ * 0. The char it Needs to parse, if it's a string it should be done using
+ *    indexOf, RegExp using exec and NaN means set as current value.
+ * 1. The property we should set when parsing this value.
+ * 2. Indication if it's backwards or forward parsing, when set as number it's
+ *    the value of extra chars that should be split off.
+ * 3. Inherit from location if non existing in the parser.
+ * 4. `toLowerCase` the resulting value.
+ */
+var rules = [
+  ['#', 'hash'],                        // Extract from the back.
+  ['?', 'query'],                       // Extract from the back.
+  function sanitize(address, url) {     // Sanitize what is left of the address
+    return isSpecial(url.protocol) ? address.replace(/\\/g, '/') : address;
+  },
+  ['/', 'pathname'],                    // Extract from the back.
+  ['@', 'auth', 1],                     // Extract from the front.
+  [NaN, 'host', undefined, 1, 1],       // Set left over value.
+  [/:(\d*)$/, 'port', undefined, 1],    // RegExp the back.
+  [NaN, 'hostname', undefined, 1, 1]    // Set left over.
+];
+
+/**
+ * These properties should not be copied or inherited from. This is only needed
+ * for all non blob URL's as a blob URL does not include a hash, only the
+ * origin.
+ *
+ * @type {Object}
+ * @private
+ */
+var ignore = { hash: 1, query: 1 };
+
+/**
+ * The location object differs when your code is loaded through a normal page,
+ * Worker or through a worker using a blob. And with the blobble begins the
+ * trouble as the location object will contain the URL of the blob, not the
+ * location of the page where our code is loaded in. The actual origin is
+ * encoded in the `pathname` so we can thankfully generate a good "default"
+ * location from it so we can generate proper relative URL's again.
+ *
+ * @param {Object|String} loc Optional default location object.
+ * @returns {Object} lolcation object.
+ * @public
+ */
+function lolcation(loc) {
+  var globalVar;
+
+  if (typeof window !== 'undefined') globalVar = window;
+  else if (typeof global !== 'undefined') globalVar = global;
+  else if (typeof self !== 'undefined') globalVar = self;
+  else globalVar = {};
+
+  var location = globalVar.location || {};
+  loc = loc || location;
+
+  var finaldestination = {}
+    , type = typeof loc
+    , key;
+
+  if ('blob:' === loc.protocol) {
+    finaldestination = new Url(unescape(loc.pathname), {});
+  } else if ('string' === type) {
+    finaldestination = new Url(loc, {});
+    for (key in ignore) delete finaldestination[key];
+  } else if ('object' === type) {
+    for (key in loc) {
+      if (key in ignore) continue;
+      finaldestination[key] = loc[key];
+    }
+
+    if (finaldestination.slashes === undefined) {
+      finaldestination.slashes = slashes.test(loc.href);
+    }
+  }
+
+  return finaldestination;
+}
+
+/**
+ * Check whether a protocol scheme is special.
+ *
+ * @param {String} The protocol scheme of the URL
+ * @return {Boolean} `true` if the protocol scheme is special, else `false`
+ * @private
+ */
+function isSpecial(scheme) {
+  return (
+    scheme === 'file:' ||
+    scheme === 'ftp:' ||
+    scheme === 'http:' ||
+    scheme === 'https:' ||
+    scheme === 'ws:' ||
+    scheme === 'wss:'
+  );
+}
+
+/**
+ * @typedef ProtocolExtract
+ * @type Object
+ * @property {String} protocol Protocol matched in the URL, in lowercase.
+ * @property {Boolean} slashes `true` if protocol is followed by "//", else `false`.
+ * @property {String} rest Rest of the URL that is not part of the protocol.
+ */
+
+/**
+ * Extract protocol information from a URL with/without double slash ("//").
+ *
+ * @param {String} address URL we want to extract from.
+ * @param {Object} location
+ * @return {ProtocolExtract} Extracted information.
+ * @private
+ */
+function extractProtocol(address, location) {
+  address = trimLeft(address);
+  address = address.replace(CRHTLF, '');
+  location = location || {};
+
+  var match = protocolre.exec(address);
+  var protocol = match[1] ? match[1].toLowerCase() : '';
+  var forwardSlashes = !!match[2];
+  var otherSlashes = !!match[3];
+  var slashesCount = 0;
+  var rest;
+
+  if (forwardSlashes) {
+    if (otherSlashes) {
+      rest = match[2] + match[3] + match[4];
+      slashesCount = match[2].length + match[3].length;
+    } else {
+      rest = match[2] + match[4];
+      slashesCount = match[2].length;
+    }
+  } else {
+    if (otherSlashes) {
+      rest = match[3] + match[4];
+      slashesCount = match[3].length;
+    } else {
+      rest = match[4]
+    }
+  }
+
+  if (protocol === 'file:') {
+    if (slashesCount >= 2) {
+      rest = rest.slice(2);
+    }
+  } else if (isSpecial(protocol)) {
+    rest = match[4];
+  } else if (protocol) {
+    if (forwardSlashes) {
+      rest = rest.slice(2);
+    }
+  } else if (slashesCount >= 2 && isSpecial(location.protocol)) {
+    rest = match[4];
+  }
+
+  return {
+    protocol: protocol,
+    slashes: forwardSlashes || isSpecial(protocol),
+    slashesCount: slashesCount,
+    rest: rest
+  };
+}
+
+/**
+ * Resolve a relative URL pathname against a base URL pathname.
+ *
+ * @param {String} relative Pathname of the relative URL.
+ * @param {String} base Pathname of the base URL.
+ * @return {String} Resolved pathname.
+ * @private
+ */
+function resolve(relative, base) {
+  if (relative === '') return base;
+
+  var path = (base || '/').split('/').slice(0, -1).concat(relative.split('/'))
+    , i = path.length
+    , last = path[i - 1]
+    , unshift = false
+    , up = 0;
+
+  while (i--) {
+    if (path[i] === '.') {
+      path.splice(i, 1);
+    } else if (path[i] === '..') {
+      path.splice(i, 1);
+      up++;
+    } else if (up) {
+      if (i === 0) unshift = true;
+      path.splice(i, 1);
+      up--;
+    }
+  }
+
+  if (unshift) path.unshift('');
+  if (last === '.' || last === '..') path.push('');
+
+  return path.join('/');
+}
+
+/**
+ * The actual URL instance. Instead of returning an object we've opted-in to
+ * create an actual constructor as it's much more memory efficient and
+ * faster and it pleases my OCD.
+ *
+ * It is worth noting that we should not use `URL` as class name to prevent
+ * clashes with the global URL instance that got introduced in browsers.
+ *
+ * @constructor
+ * @param {String} address URL we want to parse.
+ * @param {Object|String} [location] Location defaults for relative paths.
+ * @param {Boolean|Function} [parser] Parser for the query string.
+ * @private
+ */
+function Url(address, location, parser) {
+  address = trimLeft(address);
+  address = address.replace(CRHTLF, '');
+
+  if (!(this instanceof Url)) {
+    return new Url(address, location, parser);
+  }
+
+  var relative, extracted, parse, instruction, index, key
+    , instructions = rules.slice()
+    , type = typeof location
+    , url = this
+    , i = 0;
+
+  //
+  // The following if statements allows this module two have compatibility with
+  // 2 different API:
+  //
+  // 1. Node.js's `url.parse` api which accepts a URL, boolean as arguments
+  //    where the boolean indicates that the query string should also be parsed.
+  //
+  // 2. The `URL` interface of the browser which accepts a URL, object as
+  //    arguments. The supplied object will be used as default values / fall-back
+  //    for relative paths.
+  //
+  if ('object' !== type && 'string' !== type) {
+    parser = location;
+    location = null;
+  }
+
+  if (parser && 'function' !== typeof parser) parser = qs.parse;
+
+  location = lolcation(location);
+
+  //
+  // Extract protocol information before running the instructions.
+  //
+  extracted = extractProtocol(address || '', location);
+  relative = !extracted.protocol && !extracted.slashes;
+  url.slashes = extracted.slashes || relative && location.slashes;
+  url.protocol = extracted.protocol || location.protocol || '';
+  address = extracted.rest;
+
+  //
+  // When the authority component is absent the URL starts with a path
+  // component.
+  //
+  if (
+    extracted.protocol === 'file:' && (
+      extracted.slashesCount !== 2 || windowsDriveLetter.test(address)) ||
+    (!extracted.slashes &&
+      (extracted.protocol ||
+        extracted.slashesCount < 2 ||
+        !isSpecial(url.protocol)))
+  ) {
+    instructions[3] = [/(.*)/, 'pathname'];
+  }
+
+  for (; i < instructions.length; i++) {
+    instruction = instructions[i];
+
+    if (typeof instruction === 'function') {
+      address = instruction(address, url);
+      continue;
+    }
+
+    parse = instruction[0];
+    key = instruction[1];
+
+    if (parse !== parse) {
+      url[key] = address;
+    } else if ('string' === typeof parse) {
+      index = parse === '@'
+        ? address.lastIndexOf(parse)
+        : address.indexOf(parse);
+
+      if (~index) {
+        if ('number' === typeof instruction[2]) {
+          url[key] = address.slice(0, index);
+          address = address.slice(index + instruction[2]);
+        } else {
+          url[key] = address.slice(index);
+          address = address.slice(0, index);
+        }
+      }
+    } else if ((index = parse.exec(address))) {
+      url[key] = index[1];
+      address = address.slice(0, index.index);
+    }
+
+    url[key] = url[key] || (
+      relative && instruction[3] ? location[key] || '' : ''
+    );
+
+    //
+    // Hostname, host and protocol should be lowercased so they can be used to
+    // create a proper `origin`.
+    //
+    if (instruction[4]) url[key] = url[key].toLowerCase();
+  }
+
+  //
+  // Also parse the supplied query string in to an object. If we're supplied
+  // with a custom parser as function use that instead of the default build-in
+  // parser.
+  //
+  if (parser) url.query = parser(url.query);
+
+  //
+  // If the URL is relative, resolve the pathname against the base URL.
+  //
+  if (
+      relative
+    && location.slashes
+    && url.pathname.charAt(0) !== '/'
+    && (url.pathname !== '' || location.pathname !== '')
+  ) {
+    url.pathname = resolve(url.pathname, location.pathname);
+  }
+
+  //
+  // Default to a / for pathname if none exists. This normalizes the URL
+  // to always have a /
+  //
+  if (url.pathname.charAt(0) !== '/' && isSpecial(url.protocol)) {
+    url.pathname = '/' + url.pathname;
+  }
+
+  //
+  // We should not add port numbers if they are already the default port number
+  // for a given protocol. As the host also contains the port number we're going
+  // override it with the hostname which contains no port number.
+  //
+  if (!required(url.port, url.protocol)) {
+    url.host = url.hostname;
+    url.port = '';
+  }
+
+  //
+  // Parse down the `auth` for the username and password.
+  //
+  url.username = url.password = '';
+
+  if (url.auth) {
+    index = url.auth.indexOf(':');
+
+    if (~index) {
+      url.username = url.auth.slice(0, index);
+      url.username = encodeURIComponent(decodeURIComponent(url.username));
+
+      url.password = url.auth.slice(index + 1);
+      url.password = encodeURIComponent(decodeURIComponent(url.password))
+    } else {
+      url.username = encodeURIComponent(decodeURIComponent(url.auth));
+    }
+
+    url.auth = url.password ? url.username +':'+ url.password : url.username;
+  }
+
+  url.origin = url.protocol !== 'file:' && isSpecial(url.protocol) && url.host
+    ? url.protocol +'//'+ url.host
+    : 'null';
+
+  //
+  // The href is just the compiled result.
+  //
+  url.href = url.toString();
+}
+
+/**
+ * This is convenience method for changing properties in the URL instance to
+ * insure that they all propagate correctly.
+ *
+ * @param {String} part          Property we need to adjust.
+ * @param {Mixed} value          The newly assigned value.
+ * @param {Boolean|Function} fn  When setting the query, it will be the function
+ *                               used to parse the query.
+ *                               When setting the protocol, double slash will be
+ *                               removed from the final url if it is true.
+ * @returns {URL} URL instance for chaining.
+ * @public
+ */
+function set(part, value, fn) {
+  var url = this;
+
+  switch (part) {
+    case 'query':
+      if ('string' === typeof value && value.length) {
+        value = (fn || qs.parse)(value);
+      }
+
+      url[part] = value;
+      break;
+
+    case 'port':
+      url[part] = value;
+
+      if (!required(value, url.protocol)) {
+        url.host = url.hostname;
+        url[part] = '';
+      } else if (value) {
+        url.host = url.hostname +':'+ value;
+      }
+
+      break;
+
+    case 'hostname':
+      url[part] = value;
+
+      if (url.port) value += ':'+ url.port;
+      url.host = value;
+      break;
+
+    case 'host':
+      url[part] = value;
+
+      if (port.test(value)) {
+        value = value.split(':');
+        url.port = value.pop();
+        url.hostname = value.join(':');
+      } else {
+        url.hostname = value;
+        url.port = '';
+      }
+
+      break;
+
+    case 'protocol':
+      url.protocol = value.toLowerCase();
+      url.slashes = !fn;
+      break;
+
+    case 'pathname':
+    case 'hash':
+      if (value) {
+        var char = part === 'pathname' ? '/' : '#';
+        url[part] = value.charAt(0) !== char ? char + value : value;
+      } else {
+        url[part] = value;
+      }
+      break;
+
+    case 'username':
+    case 'password':
+      url[part] = encodeURIComponent(value);
+      break;
+
+    case 'auth':
+      var index = value.indexOf(':');
+
+      if (~index) {
+        url.username = value.slice(0, index);
+        url.username = encodeURIComponent(decodeURIComponent(url.username));
+
+        url.password = value.slice(index + 1);
+        url.password = encodeURIComponent(decodeURIComponent(url.password));
+      } else {
+        url.username = encodeURIComponent(decodeURIComponent(value));
+      }
+  }
+
+  for (var i = 0; i < rules.length; i++) {
+    var ins = rules[i];
+
+    if (ins[4]) url[ins[1]] = url[ins[1]].toLowerCase();
+  }
+
+  url.auth = url.password ? url.username +':'+ url.password : url.username;
+
+  url.origin = url.protocol !== 'file:' && isSpecial(url.protocol) && url.host
+    ? url.protocol +'//'+ url.host
+    : 'null';
+
+  url.href = url.toString();
+
+  return url;
+}
+
+/**
+ * Transform the properties back in to a valid and full URL string.
+ *
+ * @param {Function} stringify Optional query stringify function.
+ * @returns {String} Compiled version of the URL.
+ * @public
+ */
+function toString(stringify) {
+  if (!stringify || 'function' !== typeof stringify) stringify = qs.stringify;
+
+  var query
+    , url = this
+    , host = url.host
+    , protocol = url.protocol;
+
+  if (protocol && protocol.charAt(protocol.length - 1) !== ':') protocol += ':';
+
+  var result =
+    protocol +
+    ((url.protocol && url.slashes) || isSpecial(url.protocol) ? '//' : '');
+
+  if (url.username) {
+    result += url.username;
+    if (url.password) result += ':'+ url.password;
+    result += '@';
+  } else if (url.password) {
+    result += ':'+ url.password;
+    result += '@';
+  } else if (
+    url.protocol !== 'file:' &&
+    isSpecial(url.protocol) &&
+    !host &&
+    url.pathname !== '/'
+  ) {
+    //
+    // Add back the empty userinfo, otherwise the original invalid URL
+    // might be transformed into a valid one with `url.pathname` as host.
+    //
+    result += '@';
+  }
+
+  //
+  // Trailing colon is removed from `url.host` when it is parsed. If it still
+  // ends with a colon, then add back the trailing colon that was removed. This
+  // prevents an invalid URL from being transformed into a valid one.
+  //
+  if (host[host.length - 1] === ':' || (port.test(url.hostname) && !url.port)) {
+    host += ':';
+  }
+
+  result += host + url.pathname;
+
+  query = 'object' === typeof url.query ? stringify(url.query) : url.query;
+  if (query) result += '?' !== query.charAt(0) ? '?'+ query : query;
+
+  if (url.hash) result += url.hash;
+
+  return result;
+}
+
+Url.prototype = { set: set, toString: toString };
+
+//
+// Expose the URL parser and some additional properties that might be useful for
+// others or testing.
+//
+Url.extractProtocol = extractProtocol;
+Url.location = lolcation;
+Url.trimLeft = trimLeft;
+Url.qs = qs;
+
+module.exports = Url;