Added a reset layout menu item. Revamped the graph sort to place entities based on the locations of already placed relations. Moved the entity data into the svg data store object so that the entity data gets saved into the svg file, speeding up the redraw of a saved diagram.
Added a reset layout menu item. Revamped the graph sort to place entities based on the locations of already placed relations. Moved the entity data into the svg data store object so that the entity data gets saved into the svg file, speeding up the redraw of a saved diagram.

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