Made some changes to the GeoLocation class, added new tests
some changes to customLocationFragment
Implemented change location functionality for posting threads
Finished implementing manual lat long coordinates for both comment and thread posts
Can now select previous locations
fixed redundant imports
slight factoring
Implemented a return to current Location
Merge branch 'master' into location

Conflicts:
	GeoChan/src/ca/ualberta/cmput301w14t08/geochan/models/GeoLocation.java
	GeoChanTests/src/ca/ualberta/cmput301w14t08/geochan/test/CommentTest.java
Merge branch location