Fixing offset bug between button number and enumerated button values.  https://tracker.physiomeproject.org/show_bug.cgi?id=3454
Fixing offset bug between button number and enumerated button values.  https://tracker.physiomeproject.org/show_bug.cgi?id=3454

hsorby/zinc,OpenCMISS/zinc,hsorby/zinc,OpenCMISS/zinc,hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc