Stub the WebRTCCall model's intialize() function at appropriate times, to avoid expensive calls to mozRTCPeerConnection, hence speeding up the tests
Fix jshint errors
Remove the callview code and tests
Merge pull request #103 from Standard8/speed_chat_window_tests

In chat window tests, stub the WebRTCCall model to speed up test times
Merge pull request #105 from Standard8/call_cleanup

Remove the CallView code from the sidebar and associated tests