refs #5693. Fixed color map switching.
refs #5693. Fixed color map switching.
refs #5693. Prevented changing of custom color map.
refs #5693. Prevent change of custom colormap when btn not selected.
refs #5693. Removed some files accidently committed
refs #5693. Fixed dialog box bug.
Refs #5693. Tidied up method.
Merge remote-tracking branch 'origin/bugfix/5693_revert_custom_color_map'