Review Request: document KUniqueApplication::loadCommandLineOptionsForNewInstance and implement stub

[Michael Jansen]

> 
> trunk/KDE/kdelibs/kdeui/kernel/kuniqueapplication.h
> <http://reviewboard.kde.org/r/4278/#comment5689>
> 
>     I don't think we should document it. The comment in the .cpp file says
> it is there to support Kontact, and I fail to see a reason why other
> applications would need this kludge.
> 
>     At least remove the "virtual" from the comment.

It is used by skansuite too. So it is already spreading. I'm for documenting it but the last word 
should be by david.

Mike