Unicode changes to support QRF
removed unnecessary pass in modulestore/init.py
fixing unit tests
fixing merge error
fixing xqueue submission issue with unicode url (trial 0.1)
fixing fotmats as commented upon
removing yaml file language selection
Merge remote-tracking branch 'origin/feature/unicode' into feature/unicode

Conflicts:
	cms/djangoapps/auth/authz.py
	common/djangoapps/student/roles.py
	common/lib/capa/capa/capa_problem.py
	common/lib/xmodule/xmodule/capa_module.py
	common/lib/xmodule/xmodule/modulestore/__init__.py
	common/lib/xmodule/xmodule/x_module.py
fixing pep8 violations