lazbuild: widgetsetoverride as matrix option

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41533 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: comments

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41534 4005530d-fff6-0310-9dd1-cebe43e6787f