Author: Sam Hemelryk
MDL-42832 course: management viewmode string improvements
http://git.moodle.org/gw?p=moodle.git;a=commit;h=aa861f62971203931754f8f54fc8a47d230bc4ac
http://github.com/moodle/moodle/commit/aa861f62971203931754f8f54fc8a47d230bc4ac
+ 2.6 en [viewing,core]