Added quiz logging API
Merge branch 'develop' into feature/issue-15-create-models-for-SendAirtime-and-AirtimeApplication

Fixed Conflicts:
	usersvumigo/admin.py
PEP8
Moved to max_per_day in gopher
Removed unused file
PEP8
Fix application name in admin
Merge branch 'feature/issue-15-create-models-for-SendAirtime-and-AirtimeApplication' into develop
Merge branch 'develop' into feature/issue-16-add-airtime-for-different-denominations