Adding Travis-CI Config.
Added Travis-CI status image
Moved Travis-CI status down
Fix merge conflicts
Actually fixed merge conflicts
Merged author and contributors sections into separate file
Added John Seggerson to contributor list
Included separate section on contributing
Match class name to file name
Added track ID to SNXTrack class
Don't set albumArt to nil after delivering notification.

Instead, set it to nil on play state change if the track has changed. This should make album art available to notifications delivered on shortcut presses.
Don't set albumArt to nil after delivering notification. #10

Instead, set it to nil on play state change if the track has changed. This should make album art available to notifications delivered on shortcut presses.
Merge branch 'master' of github.com:citruspi/Spotify-Notifications

* 'master' of github.com:citruspi/Spotify-Notifications:
  Don't set albumArt to nil after delivering notification.
Re-organized code for getting album art into SNXTrack class
Fixed album art fetch conditional
Embedding album art is now optional. Resolves #11
Merge branch 'master' of https://github.com/TheSeg/Spotify-Notifications