Author: Frederic Massart
MDL-46570 gradereport_history: Reworked search and load more mechanism
Part of MDL-46191
http://git.moodle.org/gw?p=moodle.git;a=commit;h=855e13784b442707fd2580c1e396b0dd430a4549
http://github.com/moodle/moodle/commit/855e13784b442707fd2580c1e396b0dd430a4549
+ 2.8 en [errajaxsearch,gradereport_history]
+ 2.8 en [foundoneuser,gradereport_history]
+ 2.8 en [foundnusers,gradereport_history]
+ 2.8 en [loadmoreusers,gradereport_history]