Addons directory includes the files which is needed by lrcShow-X for supporting mpd and xmms2 players. 

For mpd support:
	mpDris depends on python-mpd, you sould install python-mpd first
	Please place the mpDris into /usr/bin, and place org.mpris.mpd.service into /usr/share/dbus-1/services
	Of course you also could place the mpDris file into other directory, but you have to modify org.mpris.mpd.service
	Please place the mpDris.conf file into ~/.config/mpDris directory
	If your mpd service is not running on localhost:6600, you should modify mpDris.conf file to indicate

For xmms2 support:
	xmms2-mpris-bridge depends on xmmsclient's python bindings, which is already installed with xmms2, if enable python support
	Option1:
		If you want to start xmms2-mpris-bridge service by xmms2, you could place xmms2-mpris-bridge file into /usr/share/xmms2/scripts/startup.d or ~/.config/xmms2/startup.d
	Option2:
		Please place xmms2-mpris-bridge file into /usr/bin
		Please place org.mpris.xmms2.service into /usr/share/dbus-1/services
		Of course you also could place xmms2-mpris-bridge into other directory, but you should modify org.mpris.xmms2.service