Compile libs with dbus disabled.

This applies the same logic that is already present
in libs/main/KoPart.cpp for the KoPartAdaptor also
to the ApplicationAdaptor and the ViewAdaptor.

Long story behind this patch.

1. Mek did spend time on that particular problem when porting to Android.
2. Then I spend time on that bringing it back to master. See https://git.reviewboard.kde.org/r/104021/
3. Then boud made a similar patch at http://permalink.gmane.org/gmane.comp.kde.cvs/1154693
4. I had to spend time again on that already solved problem during my Sheets@Android port.
5. I ported my latest patch again(!) to master. Note that I did not start with a cherry-pick one of the patches of <= 3) cause my patch from 4) was already newer (against master).
6. Now it finally lands into master. No more time waste caused by *this* particular problem. Hallelujah! :)