visualizer now draws only first 32 frequency bins
saving where we are in the state diagram, not working right
test, ignore
testing still, ignore
changing colors with key switches
added switches to change visualizer colors, and only refresh data when not redrawing
merge conflicts in visualizer resolved
resolved leftover merge conflict issues
colors, reset, drawing all working hooray
Merge branch 'master' into viz_fix
clean up visualizer code