Added support for plugging in event handlers - will allow the wave gadget to receive state notifications without any wave specific code in the editor itself
Added support for plugging in event handlers - will allow the wave gadget to receive state notifications without any wave specific code in the editor itself

git-svn-id: 829f041edcabe93b7893c4ec42f5993156d1fcf0@43 eee81c28-f429-11dd-99c0-75d572ba1ddd

kenwenzel/svg-edit,kenwenzel/svg-edit,kenwenzel/svg-edit