Merged from MOODLE_14_STABLE
These are the changes from MOODLE_13_STABLE, merged into trunk The tag MOODLE_13_MERGED on the MOODLE_13_STABLE branch now refers to this point The biggest changes here are the fixes for HTML editor in all standard modules
Now if the course is hidden or the activity is hidden, only teachers cand download the feed.
Discussion and post forum feeds supported. Integrated in cron system. Some strings missing. Test, test, test...