change to critical-path-gnome group

[Bill Nottingham]

Christoph Wickert (christoph.wickert at googlemail.com) said: 
> >    <group>
> > +    <id>critical-path-apps</id>
> > ...
> > +      <packagereq type="default">kdebase</packagereq>
> 
> I guess kdebase should be covered by critical-path-kde, but let's see
> what the KDE comes up with after tomorrow's meeting.

Per the posted policy, 'major desktop productivity apps' includes
konqueror, ergo, kdebase.

Bill