merge

.pep8

apt-packages.txt

cms/.coveragerc

cms/__init__.py

cms/djangoapps/auth/authz.py

cms/djangoapps/contentstore/course_info_model.py

cms/djangoapps/contentstore/features/common.py

cms/djangoapps/contentstore/features/courses.py

cms/djangoapps/contentstore/features/factories.py

cms/djangoapps/contentstore/features/section.py

cms/djangoapps/contentstore/features/signup.py

...ps/contentstore/features/studio-overview-togglesection.py

cms/djangoapps/contentstore/features/subsection.py

cms/djangoapps/contentstore/management/commands/clone.py

...ngoapps/contentstore/management/commands/delete_course.py

cms/djangoapps/contentstore/management/commands/prompt.py

cms/djangoapps/contentstore/module_info_model.py

cms/djangoapps/contentstore/tests/factories.py

cms/djangoapps/contentstore/tests/test_contentstore.py

cms/djangoapps/contentstore/tests/test_core_caching.py