added index index link to the frontend unit tests page
refactored app.services to implement Backbone.Events
code formatting
using app.services#postEvent in views
reset _port singleton before each test
renamed app.services to app.port
Merge pull request #83 from n1k0/service-events

Service events
worker: open a chat window when receiving a talkilla.call-start event
worker: forward a started call when the chat window is ready
Fix indent
First draft of ChatApp and tests
ChatApp: implement the Call model
added basic text chat models
ChatApp: handle start and incoming events
added basic text chat models
new sidebar user entry click handler
merge
opening chat window when clicking on a user entry in the sidebar
ChatApp: refactor the app to have a _onCallStart handler
Fix issues surfaced by jshint