Added ability to have multiple kin term groups in one diagram and select the display colour of each.
Added ability to have multiple kin term groups in one diagram and select the display colour of each.

PeterWithers/temp-to-delete1,KinshipSoftware/KinOathKinshipArchiver,KinshipSoftware/KinOathKinshipArchiver,PeterWithers/temp-to-delete1