Adds mixed youtube and mpd support. Changed handlers so that they are player based and the action class stops and starts the correct player
Adds a bell sound which plays as soon as a video is requested to provide immediate feedback
Merged windows mpd and spotify and small bugfixes
Adds built in mpd support for the windows version
Bugfix: windows version would not startup if spotify desktop was not installed
Omitted from previous commit
Adds iTunes for windows support