* add some previously missing options to the help page, add support for listing recognized compiler and RTL features in -i and allow skipping an empty section (controllertypes) in -i listing by providing support of multiple output lines based on one source line in the msg file using $\n as newline

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29097 3ad0048d-3df7-0310-abae-a5850022a9f2