initial lockscreen / notification controls implementation
need to fix:
- initial hook when the app is first started
- fix play/pause from lockscreen
- add controls and customize the notification
- test, and fix bugs
now hooks up when the app is first started
fixed play/pause icon in notification
code cleanup & fixed remote client update
fixed some stuff with notification and remote control
added album/track cover to notification and remote control client
added expandable notification
Backwards compatibility down to API level 14. Not tested.
Remove useless files
Reindent layouts
Center the small notification
Much better big notification
Removed annoying toasts
Notification: Sync the headers with the rest of the project headers.