Changed script to only produce po file for demo purposes.
Merge branch 'develop' of github.com:jamalex/ka-lite into develop
Wrapped javascript for exercises for i18n.
Removed khan exercises from gitmodules.
Temporarily renamed khan exercises.
Included khan exercises directly in the repo.
Fixed alignment bug for coach reports (again).
Rearchitected the VideoJS player with a Backbone wrapper w/ point counting.
Moved khan-exercises to avoid conflicts with old submodule.
Merge branch 'develop' of github.com:jamalex/ka-lite into develop
Merge branch 'develop' into videojs

Conflicts:
	kalite/templates/exercise.html
	kalite/templates/knowledgemap.html
Pass video dimensions in to Backbone view to ensure auto-resizing.
Added speed changing button on HTML5 player.