-Added selected item bullet.
-Modified play queue panel darker on main video player.
-Fixed color issue on play queue panel on light-themed main video player.
-Fixed hold-to-enqueue tooltip flashing when clicked on earlier sdk versions.
-Fixed queue item removal causing metadata for currently playing to refresh.
-Added icons for shuffle and drag handle.
-Fixed exception when returning to background player activity after service shuts down.
-Fixed open detail only working for Youtube.
- Fixed media source resolution on background player for streams without an audio only stream.
- Fixed background player not updating when screen turns back on.
- Fixed background player notification switching to wrong repeat mode icon opacity on click.
Add search and watch history
* Make MainActicity a single task
* Remove some casting
* SearchFragment: start searching when created with query
* Handle settings change in onResume
* History: Log pop up and background playback
* History: Add swipe to remove functionallity
* Enable history by default
* Use stream item
* Store more information about the stream
* Integrate history database into AppDatabase
* Remove redundant casts
* Re-enable date converters
* History: Use Rx Java and run DB in background
* Also make HistoryDAO extend BasicDAO
* History: RX-ify swipe to remove
* Sort history entries by creation date
* History: Set toolbar title
* Don't repeat history entries
* Introduced setters so we can update entries in the database
* If the latest entry has the same (main) values, just update it
