- All resources are either under src or under resources dirs
- Removed files top level directory
- Move flightgear files to top level dir

Reworked the UAS listing. It's organized differently and styled differently. Also the fading of the heartbeat status now works properly. Also fixed some theming issues with the connectButton when it was checked.

Some .ui files still pointed to an old mavground.qrc file. They now point to the proper qgroundcontrol.qrc file.