compute_fft now has apply_spec_inv and apply_window flags
added DSP panel widget
fixed hotkeys
removed 20dB attenuation addition to power spectrum
enabled level trigger controls
fixed triggers not always applying settings when no data is being received
fixed SHN plot frequency range
speca vrt state packet generation and parsing
removed dsp widget, added dsp menu
connected dsp menu to compute_fft paramaters
Merge branch 'dsp_pannel'
user has more control of how much dc offset is corrected
fixed conversion to dbm not working for i only data
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
fixed absolute being applied twice on power spectrum