edx/edx-platform — pull request #4054 by zubair-arbi (2014-06-11 14:35:03+00:00)
Title: trigger change event for file field while uploading pdf

STUD-1775

Make File upload modal to trigger change event when a new file is selected. Currently modal thinks that no change is made (just another File object so ignore it) when user selects a new file after selecting first time.