Fixes and enhancements to the code
- RemoteInput: do not stop UDP handler when stopping the device. This prevents restarting with the start/stop button. Implements #563
- Channel Analyzer: let the spectrum free run when scope is in free running mode. Fixes issue #571
- Device API: fixes in MIMO case. Fixes #567
- fixed missing channel sink removal
- fixed renumerateChannels wrong device list index assignment
- DeviceUISet: fixed deleteChannel method in GU preventing proper channel delete in case it is done via REST API. Fixes #568
- Improve the code of baseband thread management in channel plugins:
- AM demod
- Channel Analyzer
- Channel Analyzer: fixed sink apply channel settings. Fixes #569 and #570