Local video is now correctly stapled to bottom right corner

Related trello card https://trello.com/c/Ur2I3f3k/193-as-a-user-i-should-see-the-local-video-monitor-stapled-inset-to-the-remote-video-so-it-doesn-t-wander-bizarrely

Trivial yet efficient patch :)

![stapling](https://f.cloud.github.com/assets/41547/1009244/a651295a-0b35-11e3-8d6d-d1eee0da6712.png)

While the patch addresses the requirement, I'm still finding we should find another trick to have the video using the full available width — maybe as an option — eg. by scaling & zooming the center of the video or something.