Add some ES VO classes from Victor
Instantiate dataStores outside of DataManager constructor
Add abilitly to fetch questions and answers from ES
Clean up some tests.
Add GetQuestionList implementation for RemoteDataStore.
Merge branch 'master' of https://github.com/CMPUT301F14T14/Project into get-remote-data

Conflicts:
	QuestionApp/src/ca/ualberta/cs/cmput301f14t14/questionapp/data/DataManager.java
Fix tests
Merge pull request #147 from stephenjust/get-remote-data

Get remote data