Question model done. But not sure how to get Question object from ParseObject.
done the Question model and tested by using Question objects from a list
added getter and setter methods for all attributes including Paper. Tested and working fine.
Done the Paper, Comment, Flag models and tested
Merge branch 'feature/model_question' into develop

Conflicts:
	PYP/.idea/vcs.xml
	PYP/app/src/main/AndroidManifest.xml
	PYP/app/src/main/java/com/humblecoder/pyp/MainActivity.java