#551 - Grades-pending JS on edit multiple
Misc fixes - (1)notifications - late_need_a_reason (if positions not exist)-error fixed (2)Examquestions(trello #541), Exams, Grade & Exammarks - fixed undefined method positions not exist in Index pages
#549 - Staff Attendance : Fix Status page
#495 - Fix Staff - Show & New on staff shift & staff shift histories
Merge pull request #311 from Nurhashimah/master

#551 - Grades-pending JS on edit multiple