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diff --git a/signaling-server/node_modules/socket.io/lib/transports/websocket/hybi-07-12.js b/signaling-server/node_modules/socket.io/lib/transports/websocket/hybi-07-12.js
new file mode 100644
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+++ b/signaling-server/node_modules/socket.io/lib/transports/websocket/hybi-07-12.js
@@ -0,0 +1,642 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+ 
+/**
+ * Module requirements.
+ */
+
+var Transport = require('../../transport')
+  , EventEmitter = process.EventEmitter
+  , crypto = require('crypto')
+  , url = require('url')
+  , parser = require('../../parser')
+  , util = require('../../util');
+
+/**
+ * Export the constructor.
+ */
+
+exports = module.exports = WebSocket;
+exports.Parser = Parser;
+
+/**
+ * HTTP interface constructor. Interface compatible with all transports that
+ * depend on request-response cycles.
+ *
+ * @api public
+ */
+
+function WebSocket (mng, data, req) {
+  // parser
+  var self = this;
+
+  this.manager = mng;
+  this.parser = new Parser({maxBuffer: mng.get('destroy buffer size')});
+  this.parser.on('data', function (packet) {
+    self.onMessage(parser.decodePacket(packet));
+  });
+  this.parser.on('ping', function () {
+    // version 8 ping => pong
+    try {
+      self.socket.write('\u008a\u0000');
+    }
+    catch (e) {
+      self.end();
+      return;
+    }
+  });
+  this.parser.on('close', function () {
+    self.end();
+  });
+  this.parser.on('error', function (reason) {
+    self.log.warn(self.name + ' parser error: ' + reason);
+    self.end();
+  });
+  this.parser.on('kick', function (reason) {
+    self.log.warn(self.name + ' parser forced user kick: ' + reason);
+    self.onMessage({type: 'disconnect', endpoint: ''});
+    self.end();
+  });
+
+  Transport.call(this, mng, data, req);
+};
+
+/**
+ * Inherits from Transport.
+ */
+
+WebSocket.prototype.__proto__ = Transport.prototype;
+
+/**
+ * Transport name
+ *
+ * @api public
+ */
+
+WebSocket.prototype.name = 'websocket';
+
+/**
+ * Websocket draft version
+ *
+ * @api public
+ */
+
+WebSocket.prototype.protocolVersion = '07-12';
+
+/**
+ * Called when the socket connects.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.onSocketConnect = function () {
+  var self = this;
+
+  if (typeof this.req.headers.upgrade === 'undefined' || 
+      this.req.headers.upgrade.toLowerCase() !== 'websocket') {
+    this.log.warn(this.name + ' connection invalid');
+    this.end();
+    return;
+  }
+
+  var origin = this.req.headers['sec-websocket-origin']
+    , location = ((this.manager.settings['match origin protocol'] ?
+                      origin.match(/^https/) : this.socket.encrypted) ?
+                        'wss' : 'ws')
+               + '://' + this.req.headers.host + this.req.url;
+  
+  if (!this.verifyOrigin(origin)) {
+    this.log.warn(this.name + ' connection invalid: origin mismatch');
+    this.end();
+    return;    
+  }
+  
+  if (!this.req.headers['sec-websocket-key']) {
+    this.log.warn(this.name + ' connection invalid: received no key');
+    this.end();
+    return;
+  }
+    
+  // calc key
+  var key = this.req.headers['sec-websocket-key'];  
+  var shasum = crypto.createHash('sha1');  
+  shasum.update(key + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11");  
+  key = shasum.digest('base64');
+
+  var headers = [
+      'HTTP/1.1 101 Switching Protocols'
+    , 'Upgrade: websocket'
+    , 'Connection: Upgrade'
+    , 'Sec-WebSocket-Accept: ' + key
+  ];
+
+  try {
+    this.socket.write(headers.concat('', '').join('\r\n'));
+    this.socket.setTimeout(0);
+    this.socket.setNoDelay(true);
+  } catch (e) {
+    this.end();
+    return;
+  }
+
+  this.socket.on('data', function (data) {
+    self.parser.add(data);
+  });
+};
+
+/**
+ * Verifies the origin of a request.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.verifyOrigin = function (origin) {
+  var origins = this.manager.get('origins');
+
+  if (origin === 'null') origin = '*';
+
+  if (origins.indexOf('*:*') !== -1) {
+    return true;
+  }
+
+  if (origin) {
+    try {
+      var parts = url.parse(origin);
+      parts.port = parts.port || 80;
+      var ok =
+        ~origins.indexOf(parts.hostname + ':' + parts.port) ||
+        ~origins.indexOf(parts.hostname + ':*') ||
+        ~origins.indexOf('*:' + parts.port);
+      if (!ok) this.log.warn('illegal origin: ' + origin);
+      return ok;
+    } catch (ex) {
+      this.log.warn('error parsing origin');
+    }
+  }
+  else {
+    this.log.warn('origin missing from websocket call, yet required by config');        
+  }
+  return false;
+};
+
+/**
+ * Writes to the socket.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.write = function (data) {
+  if (this.open) {
+    var buf = this.frame(0x81, data);
+    try {
+      this.socket.write(buf, 'binary');
+    }
+    catch (e) {
+      this.end();
+      return;
+    }
+    this.log.debug(this.name + ' writing', data);
+  }
+};
+
+/**
+ * Writes a payload.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.payload = function (msgs) {
+  for (var i = 0, l = msgs.length; i < l; i++) {
+    this.write(msgs[i]);
+  }
+
+  return this;
+};
+
+/**
+ * Frame server-to-client output as a text packet.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.frame = function (opcode, str) {
+  var dataBuffer = new Buffer(str)
+    , dataLength = dataBuffer.length
+    , startOffset = 2
+    , secondByte = dataLength;
+  if (dataLength > 65536) {
+    startOffset = 10;
+    secondByte = 127;
+  }
+  else if (dataLength > 125) {
+    startOffset = 4;
+    secondByte = 126;
+  }
+  var outputBuffer = new Buffer(dataLength + startOffset);
+  outputBuffer[0] = opcode;
+  outputBuffer[1] = secondByte;
+  dataBuffer.copy(outputBuffer, startOffset);
+  switch (secondByte) {
+  case 126:
+    outputBuffer[2] = dataLength >>> 8;
+    outputBuffer[3] = dataLength % 256;
+    break;
+  case 127:
+    var l = dataLength;
+    for (var i = 1; i <= 8; ++i) {
+      outputBuffer[startOffset - i] = l & 0xff;
+      l >>>= 8;
+    }
+  }
+  return outputBuffer;
+};
+
+/**
+ * Closes the connection.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.doClose = function () {
+  this.socket.end();
+};
+
+/**
+ * WebSocket parser
+ *
+ * @api public
+ */
+ 
+function Parser (opts) {
+  this.state = {
+    activeFragmentedOperation: null,
+    lastFragment: false,
+    masked: false,
+    opcode: 0
+  };
+  this.overflow = null;
+  this.expectOffset = 0;
+  this.expectBuffer = null;
+  this.expectHandler = null;
+  this.currentMessage = '';
+  this._maxBuffer = (opts && opts.maxBuffer) || 10E7;
+  this._dataLength = 0;
+
+  var self = this;  
+  this.opcodeHandlers = {
+    // text
+    '1': function(data) {
+      var finish = function(mask, data) {
+        self.currentMessage += self.unmask(mask, data);
+        if (self.state.lastFragment) {
+          self.emit('data', self.currentMessage);
+          self.currentMessage = '';
+        }
+        self.endPacket();
+      }
+
+      var expectData = function(length) {
+        if (self.state.masked) {
+          self.expect('Mask', 4, function(data) {
+            var mask = data;
+            self.expect('Data', length, function(data) {
+              finish(mask, data);
+            });
+          });
+        }
+        else {
+          self.expect('Data', length, function(data) { 
+            finish(null, data);
+          });
+        } 
+      }
+
+      // decode length
+      var firstLength = data[1] & 0x7f;
+      if (firstLength < 126) {
+        expectData(firstLength);
+      }
+      else if (firstLength == 126) {
+        self.expect('Length', 2, function(data) {
+          expectData(util.unpack(data));
+        });
+      }
+      else if (firstLength == 127) {
+        self.expect('Length', 8, function(data) {
+          if (util.unpack(data.slice(0, 4)) != 0) {
+            self.error('packets with length spanning more than 32 bit is currently not supported');
+            return;
+          }
+          var lengthBytes = data.slice(4); // note: cap to 32 bit length
+          expectData(util.unpack(data));
+        });
+      }      
+    },
+    // binary
+    '2': function(data) {
+      var finish = function(mask, data) {
+        if (typeof self.currentMessage == 'string') self.currentMessage = []; // build a buffer list
+        self.currentMessage.push(self.unmask(mask, data, true));
+        if (self.state.lastFragment) {
+          self.emit('binary', self.concatBuffers(self.currentMessage));
+          self.currentMessage = '';
+        }
+        self.endPacket();
+      }
+
+      var expectData = function(length) {
+        if (self.state.masked) {
+          self.expect('Mask', 4, function(data) {
+            var mask = data;
+            self.expect('Data', length, function(data) {
+              finish(mask, data);
+            });
+          });
+        }
+        else {
+          self.expect('Data', length, function(data) { 
+            finish(null, data);
+          });
+        } 
+      }
+
+      // decode length
+      var firstLength = data[1] & 0x7f;
+      if (firstLength < 126) {
+        expectData(firstLength);
+      }
+      else if (firstLength == 126) {
+        self.expect('Length', 2, function(data) {
+          expectData(util.unpack(data));
+        });
+      }
+      else if (firstLength == 127) {
+        self.expect('Length', 8, function(data) {
+          if (util.unpack(data.slice(0, 4)) != 0) {
+            self.error('packets with length spanning more than 32 bit is currently not supported');
+            return;
+          }
+          var lengthBytes = data.slice(4); // note: cap to 32 bit length
+          expectData(util.unpack(data));
+        });
+      }      
+    },
+    // close
+    '8': function(data) {
+      self.emit('close');
+      self.reset();
+    },
+    // ping
+    '9': function(data) {
+      if (self.state.lastFragment == false) {
+        self.error('fragmented ping is not supported');
+        return;
+      }
+      
+      var finish = function(mask, data) {
+        self.emit('ping', self.unmask(mask, data));
+        self.endPacket();
+      }
+
+      var expectData = function(length) {
+        if (self.state.masked) {
+          self.expect('Mask', 4, function(data) {
+            var mask = data;
+            self.expect('Data', length, function(data) {
+              finish(mask, data);
+            });
+          });
+        }
+        else {
+          self.expect('Data', length, function(data) { 
+            finish(null, data);
+          });
+        } 
+      }
+
+      // decode length
+      var firstLength = data[1] & 0x7f;
+      if (firstLength == 0) {
+        finish(null, null);        
+      }
+      else if (firstLength < 126) {
+        expectData(firstLength);
+      }
+      else if (firstLength == 126) {
+        self.expect('Length', 2, function(data) {
+          expectData(util.unpack(data));
+        });
+      }
+      else if (firstLength == 127) {
+        self.expect('Length', 8, function(data) {
+          expectData(util.unpack(data));
+        });
+      }      
+    }
+  }
+
+  this.expect('Opcode', 2, this.processPacket);  
+};
+
+/**
+ * Inherits from EventEmitter.
+ */
+
+Parser.prototype.__proto__ = EventEmitter.prototype;
+
+/**
+ * Add new data to the parser.
+ *
+ * @api public
+ */
+
+Parser.prototype.add = function(data) {
+  this._dataLength += data.length;
+  if (this._dataLength > this._maxBuffer) {
+    // Clear data
+    this.overflow = null;
+    this.expectBuffer = null;
+    // Kick client
+    this.emit('kick', 'max buffer size reached');
+    return;
+  }
+  if (this.expectBuffer == null) {
+    this.addToOverflow(data);
+    return;
+  }
+  var toRead = Math.min(data.length, this.expectBuffer.length - this.expectOffset);
+  data.copy(this.expectBuffer, this.expectOffset, 0, toRead);
+  this.expectOffset += toRead;
+  if (toRead < data.length) {
+    // at this point the overflow buffer shouldn't at all exist
+    this.overflow = new Buffer(data.length - toRead);
+    data.copy(this.overflow, 0, toRead, toRead + this.overflow.length);
+  }
+  if (this.expectOffset == this.expectBuffer.length) {
+    var bufferForHandler = this.expectBuffer;
+    this.expectBuffer = null;
+    this.expectOffset = 0;
+    this.expectHandler.call(this, bufferForHandler);
+  }
+}
+
+/**
+ * Adds a piece of data to the overflow.
+ *
+ * @api private
+ */
+
+Parser.prototype.addToOverflow = function(data) {
+  if (this.overflow == null) this.overflow = data;
+  else {
+    var prevOverflow = this.overflow;
+    this.overflow = new Buffer(this.overflow.length + data.length);
+    prevOverflow.copy(this.overflow, 0);
+    data.copy(this.overflow, prevOverflow.length);
+  }  
+}
+
+/**
+ * Waits for a certain amount of bytes to be available, then fires a callback.
+ *
+ * @api private
+ */
+
+Parser.prototype.expect = function(what, length, handler) {
+  if (length > this._maxBuffer) {
+    this.emit('kick', 'expected input larger than max buffer');
+    return;
+  }
+  this.expectBuffer = new Buffer(length);
+  this.expectOffset = 0;
+  this.expectHandler = handler;
+  if (this.overflow != null) {
+    var toOverflow = this.overflow;
+    this.overflow = null;
+    this.add(toOverflow);
+  }
+}
+
+/**
+ * Start processing a new packet.
+ *
+ * @api private
+ */
+
+Parser.prototype.processPacket = function (data) {
+  if ((data[0] & 0x70) != 0) {
+    this.error('reserved fields must be empty');
+  }
+  this.state.lastFragment = (data[0] & 0x80) == 0x80; 
+  this.state.masked = (data[1] & 0x80) == 0x80;
+  var opcode = data[0] & 0xf;
+  if (opcode == 0) { 
+    // continuation frame
+    this.state.opcode = this.state.activeFragmentedOperation;
+    if (!(this.state.opcode == 1 || this.state.opcode == 2)) {
+      this.error('continuation frame cannot follow current opcode')
+      return;
+    }
+  }
+  else {    
+    this.state.opcode = opcode;
+    if (this.state.lastFragment === false) {
+        this.state.activeFragmentedOperation = opcode;
+    }
+  }
+  var handler = this.opcodeHandlers[this.state.opcode];
+  if (typeof handler == 'undefined') this.error('no handler for opcode ' + this.state.opcode);
+  else handler(data);
+}
+
+/**
+ * Endprocessing a packet.
+ *
+ * @api private
+ */
+
+Parser.prototype.endPacket = function() {
+  this.expectOffset = 0;
+  this.expectBuffer = null;
+  this.expectHandler = null;
+  if (this.state.lastFragment && this.state.opcode == this.state.activeFragmentedOperation) {
+    // end current fragmented operation
+    this.state.activeFragmentedOperation = null;
+  }
+  this.state.lastFragment = false;
+  this.state.opcode = this.state.activeFragmentedOperation != null ? this.state.activeFragmentedOperation : 0;
+  this.state.masked = false;
+  this.expect('Opcode', 2, this.processPacket);  
+}
+
+/**
+ * Reset the parser state.
+ *
+ * @api private
+ */
+
+Parser.prototype.reset = function() {
+  this.state = {
+    activeFragmentedOperation: null,
+    lastFragment: false,
+    masked: false,
+    opcode: 0
+  };
+  this.expectOffset = 0;
+  this.expectBuffer = null;
+  this.expectHandler = null;
+  this.overflow = null;
+  this.currentMessage = '';
+}
+
+/**
+ * Unmask received data.
+ *
+ * @api private
+ */
+
+Parser.prototype.unmask = function (mask, buf, binary) {
+  if (mask != null) {
+    for (var i = 0, ll = buf.length; i < ll; i++) {
+      buf[i] ^= mask[i % 4];
+    }    
+  }
+  if (binary) return buf;
+  return buf != null ? buf.toString('utf8') : '';
+}
+
+/**
+ * Concatenates a list of buffers.
+ *
+ * @api private
+ */
+
+Parser.prototype.concatBuffers = function(buffers) {
+  var length = 0;
+  for (var i = 0, l = buffers.length; i < l; ++i) {
+    length += buffers[i].length;
+  }
+  var mergedBuffer = new Buffer(length);
+  var offset = 0;
+  for (var i = 0, l = buffers.length; i < l; ++i) {
+    buffers[i].copy(mergedBuffer, offset);
+    offset += buffers[i].length;
+  }
+  return mergedBuffer;
+}
+
+/**
+ * Handles an error
+ *
+ * @api private
+ */
+
+Parser.prototype.error = function (reason) {
+  this.reset();
+  this.emit('error', reason);
+  return this;
+};