+ Document ForceDirectory some more



git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45995 4005530d-fff6-0310-9dd1-cebe43e6787f
* DeleteDirectory: incorporate OnlyChilds=>OnlyChildren fix present in Lazarus



git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45996 4005530d-fff6-0310-9dd1-cebe43e6787f