PlutoSDR Rx support
PlutoSDR Rx part is now supported with the PlutoSDR input plugin: https://github.com/f4exb/sdrangel/tree/master/plugins/samplesource/plutosdrinput
Tx part to follow in the next release.
Other changes
- Code refactoring: PluginManager: removed useless dependency on main window
- Code refactoring: removed PluginGUI dependency on QWidget and made it a generic PluginUI class
- Code refactoring: moved the FileRecord object out of the GUI
- HackRF: use DeviceHackRF as a singleton to handle HackRF library init and exit only once.
- Reduced preset debug output messages