docs/187473: [porters-handbook]: update Qt and KDE sections

[wblock at FreeBSD.org]

Synopsis: [porters-handbook]: update Qt and KDE sections

Responsible-Changed-From-To: freebsd-doc->wblock
Responsible-Changed-By: wblock
Responsible-Changed-When: Fri Apr 4 00:19:11 UTC 2014
Responsible-Changed-Why: 
Take.

http://www.freebsd.org/cgi/query-pr.cgi?pr=187473