Angular and Playlists only

This is a version of the angular branch which has had the new features stripped from it. Basically this is all the current functions changed to use angular instead, with the addition of being able to see your playlists when you click the 'Your Playlists' button.

No more youtube iframe.
No chat link awesomeness.
No more mention beeps.
No more settings panel w/ localstorage.