Wraps iframe
Move iframe wrapper to the chrome:// location
Adds OOP initialization code.
Refactors messaging between stream converter and viewer
Merge remote-tracking branch 'mozilla/master' into oop
Moves userInput event bindings to the viewer.js

Conflicts:
	extension/firefox/content/ShumwayStreamConverter.jsm
Navigate to the url using the chrome code.
Merge pull request #1835 from yurydelendik/oop

OOP Shumway refactoring