enhance KRecentFilesAction with a ui action to remove entries

[David Faure]

On Friday 13 March 2009, Christoph Pfister wrote:
> Yes, this is the easiest and safest way to assure bc - considering
> (I've just found out) that the base class "clear" actually isn't
> virtual (!).

I was afraid that this might be the case. Please update the doxygen comment
for that method, too, then :-)

-- 
David Faure, faure at kde.org, sponsored by Qt Software @ Nokia to work on KDE,
Konqueror (http://www.konqueror.org), and KOffice (http://www.koffice.org).