(ie. +5+7) and modified Point2D and Rectangle2D toString()ing to use that
and, in the case of Rectangle2D, to do fully X Windows style rectangle
specification (ie. 400x300+5+7).
git-svn-id: https://samskivert.googlecode.com/svn/trunk@704 6335cc39-0255-0410-8fd6-9bcaacd3b74c