SDRdaemon plugin updates

There is now the possibility to control the distant SDRdaemon instance from the plugin. See SDRdaemon plugin readme for details. These parameters are stored in the preset and automatically sent when the preset is loaded.

Windows build updates

Support of the BladeRF

The BladeRF is now supported. libbladeRF is significantly harder to compile than the oher hardware interface libraries but it could eventually be done.

Windows 64 bit build

It was possible to build SDRangel with MinGW64 thus there is now a 64 bit distribution. The SDRdaemon plugin is implemented only in this version. The 32 bit version fails when sending configuration messages with nanomsg. The corresponding .7z archive is the one starting with sdrangel64 it will unpack in a sdrangel64 subdirectory and the name of the executable stays the same: sdrangel.exe

Other changes

AM and NFM demod plugins

Now the audio mute button lits in green when the squelch is open helping identifying which channels are active in a multi-channel configuration.