Cleanup of old scope objects
Removed the old "NG" scope objects to avoid confusion.
Web API related changes
- HTTP server: reduce debug message and put more interesting information
- UDP source Web API setting correction.
- UDP sink: effectively implemented low cutoff setting from web API
- UDP source and sink: Web API: more informative report
- Sink plugins: corrected name getters and setters
Other changes
- UDP sink GUI: fixed internal widgets minimum widths
- UDP sink default port set to 9998
- Set spectrum default to log
- PlutoSDR input: install server plugin in the correct sub directory
- UDP sink: removed queued connection on socket connection (gets stuck with Qt >= 5.8)
- CW keyer: used signed char to avoid copmilation warnings in some installations
- LimeSDR GUIs: always apply change of FIR bandwidth