-Extracted version numbers in gradle dependencies.
-Updated ExoPlayer to 2.7.1.
-Updated RxJava to 2.1.10, RxAndroid to 2.0.2 and RxBinding to 2.1.1.
-Removed deprecated implementation of media buttons.
-Changed play queue items to display service names.
-Fixed Soundcloud playlist not fitting thumbnail.
-Refactored image display options to follow uniform behavior.
-Refactoring and style changes on audio reactor and media button receiver.
-Added drag reorder speed clamping to play queue list.
-Fixed service player activity memory leak.
-Fixed media source manager sync disposable fallthrough causing NPE.
-Fixed thread bouncing during play queue item async stream resolution.
-Updated ExoPlayer to 2.6.0.
-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.