Added context menu to set the drawing size. Added save, save as, close and new menu actions to act on user diagrams.
Added context menu to set the drawing size. Added save, save as, close and new menu actions to act on user diagrams.

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