WIP
Add Sinon.js for frontend testing
WIP
More WIP from last week
Fix _onHangup tests to check closePeerConnection call behavior & make them pass
Test/implement nulling out _remoteStream and _localStream in app.models.Call.onHangup
WIP callview_test
Add missing callview_test.js file
Added tests for CallView; paired with tOkeshu
Misc refactoring, paired with tOkeshu
Remove unused variable; no review
Clean up test description; no review
WIP
WIP
Merge master changes; add pending test discovered during merge
Merge branch 'master' into call-model-testing
Merge pull request #61 from dmose/call-model-testing

Front-end unit testing plus call model tweaks