Starting
Oh my god why is it off by 1
Seems to be working
Changed behavior from toggle to force selection
Updated icon
Merge branch 'select-all' into develop

Conflicts:
	MachMusicPlayer/src/com/andrewkiluk/machmusicplayer/LibraryFiller.java
	MachMusicPlayer/src/com/andrewkiluk/machmusicplayer/fragments/SongsFragment.java