Author: Rajesh Taneja
MDL-42492 course: Show option to move category to top level
added behat to test move category
http://git.moodle.org/gw?p=moodle.git;a=commit;h=3b732cd6cc02dbcc56bd01b2fa4fde24eb0dd13c
http://github.com/moodle/moodle/commit/3b732cd6cc02dbcc56bd01b2fa4fde24eb0dd13c
+ 2.6 en [movecategorytotopsuccess,core]
+ 2.6 en [movecategoriestotopsuccess,core]