Implement Material model
Implement attachments API
Fix CI errors
Fix CI errors
Implement MaterialDetailView
Implement MaterialDetailView and Add fixtures
Add specs for Material model
Add spec for Material permission
Implement MaterialAuthorization
Add spec for MaterialDetailView
Create attachments dir for testing
Add specs for Material creation API [CI Skip]
Merge branch 'develop' into attachments

Conflicts:
	.gitignore
	src/kawaz/urls.py
Replace Material API to django-rest-framework
Add specs for material upload via API
Modify KawazViewSet super class
Add specs for list, retrieve, update and delete API for materials
Improvement attachments code fix WIP [CI Skip]
Add KawazGenericViewSetMixin
Implement MediaRootTestRunner