Author: Luca Bösch
MDL-61251 admin: configenablerssfeedsdisabled2 string more correct.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=a71eb555c2dc1b735a32dcfe11278b97efe5f432
http://github.com/moodle/moodle/commit/a71eb555c2dc1b735a32dcfe11278b97efe5f432
+ 3.3 en [configenablerssfeedsdisabled2,core_admin]