* add support for SunSDR2 series of transceivers
. serial support via virtual device
. tci support via socket interface
address/port configurable by operator
* add identification of /dev/tnt* virtual devices created
by tty0tty.
* add power limit control. disallow power above % of max
when power limiting enabled (can still be ursurped at xcvr)
* add ability to send FSK signals on DTR or RTS serial
line, either shared or separate serial port.
* implement accurate nanosecond timing for Linux, OS-X
and Windows targets
* add winmm lib for Windows build
* correct mark/space levels for RTTY lower sideband signalling
* Added code to use socket interface to remote
tcpip<->serial server
* Added class guard_lock
* Added right click to active vfo button to allow
quick transfer of freq/mode/bw to flrig memory