AutoSpotify

- added "Queue Changed" and "Playback Finished" events
- "Queue Changed" is handy if you always want to store the most recent playing queue
- added track percentage played in player status
- added handling of Google Now music commands like "play album quadraphenia" or "play artist beach boys" and it'll start playing in AutoSpotify

Comment here: https://plus.google.com/u/0/+Jo%C3%A3oDias/posts/aXqRGeYKLo5