Author: Zachary Durber
MDL-47893 gradebook: Progress bar and continues for grade saving.
When you save a grade you are notified of how many grades have
been updated and any warnings.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=50e30bd4e3b6bb594f962d20cefb35cc9380469d
http://github.com/moodle/moodle/commit/50e30bd4e3b6bb594f962d20cefb35cc9380469d
+ 2.8 en [savegrades,gradereport_singleview]
+ 2.8 en [savegradessuccess,gradereport_singleview]