Added a framework for triangular kin terms and added the kin term groups to the svg storage.
Added a framework for triangular kin terms and added the kin term groups to the svg storage.

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