Added SubCommentViewActivityAdapter
added getLocationAndTime function to SCVAAdapter.
Merge branch 'steven'
Added tests for createcommentactivity and added relevant things to Manifest.
Fixed Manifest for CC Tests
Buffed out tests, created methods in CC for implementation
Added an 'add to subcomment list' function to HeadModel and added ftnality to CC
Added a list of SubComments to CommentModel, not just HeadModel
Made CC add the created comment to its referrent's list of subcomments
Made the CCActivity interact with its XML view
Small changes to CC to facilitate other Activities