-Renamed refactor directory in player to helper.
-Fixed background player notification update causing lag on older spec models.
-Fixed service activity theme not changing after user setting is changed.
-Fixed NPE on popup player fling to close.
-Fixed audio reactor volume and max volume mixup.
-Added correct toast for each player error case.
-Fixed button coloring for play queue service activity on landscape.
-Changed title and uploader text to marquee for vertical service activity.
-Removed cache clearing on every thumbnail load.
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