Changed header to have settings icon for administrating the application server, now only option for start/stop the running application. Changed styling and background to look more like generic material design. Also added ngIf for displaying a message if no tiles are created in the application.
Changed header to have settings icon for administrating the application server, now only option for start/stop the running application. Changed styling and background to look more like generic material design. Also added ngIf for displaying a message if no tiles are created in the application.

teseolab/rapIoT-gateway-app,teseolab/rapIoT-gateway-app,teseolab/rapIoT-gateway-app