IDE: macro loop detection

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44089 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: macro loop marker

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44091 4005530d-fff6-0310-9dd1-cebe43e6787f