Record the port when starting a new call
Handling incoming_call from the server by opening a chat window on the client.
Make chat-window-ready send a call-incoming event if we're handling an incoming rather than an outgoing call
Fix jshint issues
Fix incoming_call to correctly handle the websocket data
Fix the createAnswer call as it doesn't take an offer parameter; fix tests to stub postEvent now that the post will actually get called
Hook up call accepted from the server to call establishment.
Remove unnecessary debug line
Address review comments
Make the call_accepted test actually test call_accepted
Merge pull request #93 from Standard8/offer_handling

Complete the round-robin handling of the call offer and answer messages to get SDPs to both ends of the call