Changed the write_as_svg and write_as_dot to reflect Ted's changes to the way drawing is done, haven't experimented with different tooltips and labels yet...
Changed the write_as_svg and write_as_dot to reflect Ted's changes to the way drawing is done, haven't experimented with different tooltips and labels yet...

git-svn-id: 3b9420f7568da4e67ed4a5406dba8e5ca52b1cc2@763 5eb3cf9a-c56f-4155-9a08-806ae8551a6d

coin-or/GiMPy,coin-or/GiMPy