Author: Damyon Wiese
MDL-48634 grades: Add an option to rescale when changing the maxgrade
http://git.moodle.org/gw?p=moodle.git;a=commit;h=d629c601c5a218c6bf7909e5bac0548acbce6e63
http://github.com/moodle/moodle/commit/d629c601c5a218c6bf7909e5bac0548acbce6e63
+ 3.1 en [cannotreprocessgrades,core_error]
+ 3.1 en [modgradedonotmodify,core_grades]
+ 3.1 en [modgradeerrorbadpoint,core_grades]
+ 3.1 en [modgraderescalegrades,core_grades]
+ 3.1 en [modgraderescalegrades_help,core_grades]
+ 3.1 en [modgraderescalegrades_link,core_grades]