move chat window beside video
Merge branch 'video-window-design' of https://github.com/sualko/jsxc
improve video window

- add loader
- update video icon on presence
- slide chat
- cancel call on ice failure
- fix info for initiator
- only request available user media (chrome)
request notification permission silent
set focus to input on textarea click
fix video icon
fix window toggle in video mode
Added bower spec for diaspora integration
Added fakeBoxLogin for testing purposes
Workaround: Sass complains about invalid CSS
Settle jsxc with diaspora menu bar
In respect of rails assets we should define images in css