Merge pull request #830 from yemel/fix/peer-id-taken

Derive token from cid, bring back the custom version of peerjs

js/models/network/WebRTC.js

@@ -345,6 +345,7 @@ Network.prototype.start = function(opts, openCallback) {
 
     if (!self.criticalError && self.tries < self.reconnectAttempts) {
       self.tries++;
+      self.opts.token = util.sha256(self.peerId).toString('hex');
       self.peer = new Peer(self.peerId, self.opts);
       self.started = true;
       self._setupPeerHandlers(openCallback);