remove queue screenshot

v1.5
	code cleanup
		- separate python files
			- mpd, gtk, trayicon, main, misc
		- rename functions
			- gtk widgets (gtk_label_new, gtk_entry_new, gtk_win_net, etc)
			- mpd (mpd_swap, mpd_move, mpd_update)
		- making tabs
		- hiding/showing widgets (with set_no_show_all)
		- combine ListStore definitions (playlists, streams, etc)
		- local/remote artwork
	patch 2230?
	better playlist support (mpd 0.13+ only):
		ability to view songs, reorder songs, remove songs, etc
	allow additional columns for library (like current)
	genre mode (genre -> artist -> album)
	
Future:
	lyrics -> ability to save changes
	test multiple streams at once..
	crop songs in current playlist?
	mpd statistics
	use GtkVolumeButton?
