Author: Sam Hemelryk
MDL-45884 navigation: changed to positive setting phrasing
http://git.moodle.org/gw?p=moodle.git;a=commit;h=99f041ebfa3ca3d21d8fd26009abddcee1813d0e
http://github.com/moodle/moodle/commit/99f041ebfa3ca3d21d8fd26009abddcee1813d0e
+ 2.8 en [navexpandmycourses,core_admin]
+ 2.8 en [navexpandmycourses_desc,core_admin]
- 2.8 en [navcollapsemycourses,core_admin]
- 2.8 en [navcollapsemycourses_desc,core_admin]