Now the playback state of a stream is loaded only when needed (i.e. when the stream is visible), just as it is done with thumbnails.
Removed `StateObjectsListAdapter.java`, which used to load the state of every stream at list instantiation, generating slowdowns and freezes.
-Enabled reordering, renaming, removing of items on playlist fragment.
-Enabled removal of dangling streams entries when history is cleared.
-Changed playlist append menu item to icon on service player activity.
-Added adapter and builder for local items, removed dependency on infoitem and existing infolist for database entry items.
-Removed watch history entity and DAO.
-Extracted info item selected listener to remove adding boilerplate code when long click functionality is optional.
-Fixed query returning no record on left join when right table is empty.
-Added query to remove stream table orphans.
-Added query for retrieving flattened watch history records.
-Added holder for local playlist stream info items.
-Refactored info item on select listener as on touch gesture.
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
* Keep search query when fragment is restored
* Simplify SuggestionListAdapter
* Use ResourceCursorAdapter for view creation
* Fix deprecation warning
* Some clean code