* changes: 5/N Move QS Tile tracking logic into QSPanelControllerBase. 4/N Add QSPanelControllerBase 3/N Remove UserTracker from QSPanel 2/N Remove BroadcastDispatcher from QSPanel 1/N Add QSFragmentComponent
* changes: 5/N Move QS Tile tracking logic into QSPanelControllerBase. 4/N Add QSPanelControllerBase 3/N Remove UserTracker from QSPanel 2/N Remove BroadcastDispatcher from QSPanel 1/N Add QSFragmentComponent