Fix widgets icon selection (for newer android versions)
Fix crash on start (adapter not ready in main activity)
Hide non reachable outlets
Theme, Refactor, Loading
* Improve design for light theme, dark theme broken.
* Requery for devices
* Show loading animation in outlets screen on start
* Use setEmptyView on all gridviews
* Remove DragDrop ListView
* Add DynamicGrid for Drag&Drop on Phones and Tablets.
* Edit scenes by going into edit mode and clicking on item.
* Move PluginController into Application instead of Activity
* Remove PluginViews. This will be integrated into the outlets screen.
* Refactor main activity -> DrawerController class introduced.
* Refactor main application -> RuntimeDataController class introduced.