This is a one off attempt at getting heat map plots to work quickly for 16 valves
Allow latency to go before zero to accomodate if real spiking peak is before "pre-inhalation zero crossing"
Getting Edges output from GatherResponses is useful for all sorts of plotting
One off for making population rasters and vector plots required for Cosyne poster.
Changed VSHist* scripts to give rate histograms whether trial by trial or summed/averaged.
Begin making plotting functions.