Widget remains problematic as it uses QGraphicsItem API, but it needs to be subclassed by items that are already QGraphicsItems. ugh.
svn path=/trunk/KDE/kdebase/workspace/plasma/lib/; revision=668083
* fancy includes so third party stuff can do #include <Plasma/Svg> instead of #include "plasma/svg.h", etc
svn path=/trunk/KDE/kdebase/workspace/plasma/lib/; revision=644677