[Nepomuk] Nepomukcontroller rewritten in QML

[Jörg Ehrichs]

>
> nice work. But could it be that you are doing synchronous dbus calls? All of
> plasma hangs a lot when using your applet and I suspect it is due to some
> dbus timeouts.
>

yes i did :/ wasn't really noticing any unusual "hickups" in plasma, but at the
moment I'm used to a slow system, due to a lot of computations for my
master thesis ;) Anyway I've fixed it and the DataEngine uses asnc calls
everywhere now.