Merge pull request #434 from jjofre/master

Remove hard-coded colors for Load, TSS and BikeScore
UI Nits: Reformat allplot chart settings

To be a little easier on the eye. But still some
room for improvement.
Added CRIDEPLOTXAXIS and CRIDEPLOTYAXIS for ErgFilePlot axis color configuration
Added Ride Plot X and Y Axis color configuration.  Default to blue and red.
In ErgFilePlot(), made the X and Y axis color configurable.