Merge pull request #98 from Nurhashimah/master

Fix on Exam Dev- NEW (& CREATE), EDIT
kewpa17&20
Merge pull request #99 from irshad89/master

kewpa17&20
Merge pull request #100 from Nurhashimah/master

Minor Fixes for Exam Dev (Edit-answerchoices & mcqanswer & Show-mcqanswe...
Merge pull request #101 from Nurhashimah/master

Fixes for Exam Dev - 1)Edit (display uploaded diagram & selected MCQ ans...
fix kewpa17
Merge pull request #102 from irshad89/master

fix kewpa17
Rescue for examquestion - 'diagram_caption' field added.