Clean up elements as we serialize them to text.  Remove default value of display attribute
Clean up elements as we serialize them to text.  Remove default value of display attribute

git-svn-id: 829f041edcabe93b7893c4ec42f5993156d1fcf0@779 eee81c28-f429-11dd-99c0-75d572ba1ddd

johan/svg-edit,santiagoaguiar/svg-edit,santiagoaguiar/svg-edit,santiagoaguiar/svg-edit,johan/svg-edit,johan/svg-edit,santiagoaguiar/svg-edit