reorder extenderitems within a Dialog. Stuff still breaks when detaching the last item, I'm still
working on that.
svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=854547
item is removable. Implementation is still not perfect, but it's now a lot better then it
was.
svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=853962
items to applet, since in extender's dtor, applet's config isn't accessible anymore. Only
fire itemDetached when an item is really moved, not only when being dragged away.
svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=841509