Author: Shamim Rezaie
MDL-80745 mod_assign: Move group selector on grading page to action bar
AMOS BEGIN
 MOV [clearall,gradereport_grader],[clearall,core]
AMOS END
http://git.moodle.org/gw?p=moodle.git;a=commit;h=859a54b1c0eabd4da797fd23492d71370e079b7c
http://github.com/moodle/moodle/commit/859a54b1c0eabd4da797fd23492d71370e079b7c
-  4.5 en [clearall,gradereport_grader]
+  4.5 en [clearall,core]