Fix Bug 767: Fire changed events when changing stacking order of elements (modified patch from Da.Waterworth)
Fix Bug 767: Fire changed events when changing stacking order of elements (modified patch from Da.Waterworth)

git-svn-id: e52e7dec99011c9686d89c3d3c01e7ff0d333eee@1952 eee81c28-f429-11dd-99c0-75d572ba1ddd

beavis28/svgedit,BakerSky/svgedit,progers/svgedit,thewenneur/svgedit,thewenneur/svgedit,ubbn/svgedit,ubbn/svgedit,tremez/svgedit,tremez/svgedit,progers/svgedit,progers/svgedit,uche40/svgedit,BakerSky/svgedit,SVG-Edit/svgedit,bartuspan/svgedit,laddhoffman/svgedit,tremez/svgedit,ubbn/svgedit,centaurustech/svgedit,ubbn/svgedit,thewenneur/svgedit,uche40/svgedit,mynext/svgedit,SVG-Edit/svgedit,centaurustech/svgedit,progers/svgedit,laddhoffman/svgedit,mynext/svgedit,BakerSky/svgedit,tremez/svgedit,mynext/svgedit,centaurustech/svgedit,beavis28/svgedit,bartuspan/svgedit,beavis28/svgedit,centaurustech/svgedit,thewenneur/svgedit,laddhoffman/svgedit,laddhoffman/svgedit,beavis28/svgedit,mynext/svgedit,uche40/svgedit,uche40/svgedit,bartuspan/svgedit,bartuspan/svgedit,BakerSky/svgedit,SVG-Edit/svgedit