-Added ability to save playlist as remote playlist link rather than storing it in database.

-Added LeakCanary as part of debug build.
-Modified bookmark list to show both remote and local playlists.
-Removed ability to save channel items as local playlist, in favor of subscribe.

app/src/main/res/menu/menu_play_queue.xml

@@ -5,7 +5,7 @@
 
     <item
         android:id="@+id/action_append_playlist"
-        android:icon="?attr/playlist_add"
+        android:icon="?attr/ic_playlist_add"
         android:title="@string/append_playlist"
         android:visible="true"
         app:showAsAction="ifRoom"/>