Replaced CalculateSpikeRate with CalculateSpikeData

CalculateSpikeRate is obsolete
Added polar plot to Analyze_MsaccData

Added polar plot to Analyze_MsaccData
Improved CalculateSpikedata

it now calculates Fano factor for the full timewindow
Fixed error in cleanCtxGrcjdru1Events

Fixed error introduced yesterday
Obsolete
Added function for plotting polar data

Added function for plotting polar data on top of saccade data
Added transparent background to PlotSpikeHistogram

Added transparent background to PlotSpikeHistogram as default