- when moving a point, we no longer restrict the area around the original
position once the drag radius has been left
- objects can now be deleted by selecting them and pressing Delete
- deleted objects can be restored by pressing "u"
git-svn-id: http://svn.openmoko.org/trunk/eda/fped@5387 99fdad57-331a-0410-800a-d7fa5415bdb3