Release with new radio and some bug fixes:
- Added support for Baofeng DM-1701, still untested and user-db is missing.
- Hide extensions in AnalogChannelEditor if show-commercial-features is disabled.
- Fixed potential crash and memory leak in DTMFContactDialog.
- Fixed squelch settings for RD-5R. Fixes #182.
- Implemented TyT menu, extension.
- Fixed error message on TyT device detection.
- Fixed copying of squelch settings & signalling for analog channels.
- Fixed GUI update for general settings tab.
- Fixed handling and instantiation of device specific extensions.