Fixed testDisplayCommentInList in MainListViewActivtyTests
Added backup and restore original comment list during testDisplayCommentInList in MainListViewActivityTests
Added testSortCommentsByDate to MainListViewActivityTests
Added testSortCommentsByPic to MainListViewActivityTests
Removed unused variable headListView & non-used imports
Changed latitude and longitude in location model to fix location saving bug
Merge branch 'bradley'
EditComment now works with photos
Fixed location comparator to not lose differences in distance due to rounding from int cast