Making the QAController kindof a singleton.

It's complicated.
Actually making it singleton-y
Initializing data manager stuff on application load.
Adding empty constructor to UserContext.
Merge pull request #84 from Mobius5150/master

Making the QAController kindof a singleton.
Added dimen for later
Added Extra to intent being passed to QuestionViewActivity
Added IncrementalResult functionality
Mike altered some files so that our views will work now. I made QuestionListView correctly receive and pass intents.
Made jest use API 17.
Merged the QuestionListActivity