IDE: comments

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44069 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: reading environment options: omit window layouts with invalid names

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44070 4005530d-fff6-0310-9dd1-cebe43e6787f