Implement remote answer stuff.
Perform an "Extract Constant" refactor on AddAnswerDialogFragment

AddAnswerDialogFragment.ARG_QUESTION_ID
Add some error handling to AddAnswer dialog.
Refactor AbstractDataManagerTask
Remote get/set of answers works in UI!
Re-add error checking that I accidentally removed
Merge branch 'master' of https://github.com/CMPUT301F14T14/Project into get-remote-data
Merge pull request #158 from stephenjust/get-remote-data

Make remote get/set of answers work in UI