Fixed SCVA so it doesn't display duplicates of comments
Fixed problem of SCVA displaying duplicate comments
removed test comments
Added Singleton model
continued work on trying to make singleton work.
Fixed MLVA to only use the singleton's variables and not use copies of its references. Also removed some unused imports
Changed SCVA to work with singleton.
Moved adapter creation to onResume to fix issue with head comment list not displaying
 d
Merge branch 'singleton' of https://github.com/CMPUT301W14T10/Team-10-Project-W2014 into singleton
Fixed crashing issues with SubCommentActivity
Merge branch 'singleton' into steven

Conflicts:
	Team10ProjectW2014/src/ca/ualberta/team10projectw2014/SubCommentViewActivity.java
	Team10ProjectW2014/src/ca/ualberta/team10projectw2014/SubCommentViewActivityTests.java