Fixed some sorting tests.
Implemented and tested sorting comments in a thread according to score.
Added sorting comments in a Thread based on the current value of the
Thread's sortLoc GeoLocation.
Fixed missing break statement in Thread.sortComments(int).
Minor organizational changes to test files.
End of work session commit. Bugs in sorting threads by score, all locations
seem to be identical.
Implemented sorting threads by relevance/user score. Successfully tested.
Implemented and tested sorting threads by location proximity.
Renamed Thread to ThreadComment in prep for merging with Master branch.
Forgot to add ThreadComment.java to last commit.
Merge branch 'sorting'

Conflicts:
	GeoChan/src/ca/ualberta/cmput301w14t08/geochan/fragments/PostCommentFragment.java
	GeoChan/src/ca/ualberta/cmput301w14t08/geochan/fragments/ThreadViewFragment.java
	GeoChan/src/ca/ualberta/cmput301w14t08/geochan/helpers/SortComparators.java
	GeoChan/src/ca/ualberta/cmput301w14t08/geochan/models/ThreadComment.java
	GeoChan/src/ca/ualberta/cmput301w14t08/geochan/models/ThreadList.java
	GeoChanTests/src/ca/ualberta/cmput301w14t08/geochan/test/CommentTest.java
	GeoChanTests/src/ca/ualberta/cmput301w14t08/geochan/test/ThreadListTest.java
	GeoChanTests/src/ca/ualberta/cmput301w14t08/geochan/test/ThreadTest.java

Resolved merge for sorting branch.