Fixes for Exam Dev - 1)Edit (display uploaded diagram & selected MCQ answer) + 2)New (preview diagram before upload (create/update)
Merge pull request #101 from Nurhashimah/master

Fixes for Exam Dev - 1)Edit (display uploaded diagram & selected MCQ ans...
Merge pull request #102 from irshad89/master

fix kewpa17
kewpa18 19