adds componentModel reference
decoupling windows media player to addin folder
Post build WMPaddin, needs to copy to addin folder
getting SongPlayerFactory to load the addins
Merge branch 'SongPlayerMEF' into monoSolution

* SongPlayerMEF:
  getting SongPlayerFactory to load the addins
  Post build WMPaddin, needs to copy to addin folder
  decoupling windows media player to addin folder
  adds componentModel reference