Merge branch 'master' into ormsbee/verifyuser3

Conflicts:
	common/djangoapps/course_modes/models.py
	lms/djangoapps/shoppingcart/models.py
	lms/djangoapps/shoppingcart/processors/CyberSource.py
	lms/djangoapps/shoppingcart/processors/tests/test_CyberSource.py
	lms/djangoapps/shoppingcart/tests/test_models.py
	lms/djangoapps/shoppingcart/tests/test_views.py
	lms/djangoapps/shoppingcart/urls.py
	lms/djangoapps/shoppingcart/views.py
	lms/envs/common.py
	lms/envs/dev.py
	lms/static/sass/base/_variables.scss