fix state.sweeping call
remove print
Merge commit '6a7943c71c0bbd5e426005ea9e5cc43f4c85d602'
fixed hotkeys
removed 20dB attenuation addition to power spectrum

Conflicts:
	pyrf/gui/dsp_widget.py
	pyrf/gui/gui.py
enabled level trigger controls
fixed triggers not always applying settings when no data is being received
speca vrt state packet generation and parsing
fix speca packet generation
add support for injecting speca packets into recording
injecting packets, rename set_capture_output to set_recording_output
controller: add recording methods, clean up state change special cases
start/stop recording in file menu
better recording file name assignment
enable and disable stop recording menu item
clean up properly when window is closed
playback support in controller
playback from command line
remove unused parameter
fix speca state parsing