Explicitly skip tests in common unless we know we're running the LMS unittest suite
skip failing test
add lms_base and cms_base values to bokchoy envs
Make Studio able to handle deprecated key formats in urls
Misuse of 'gettext' into mako templates

To translate strings in mako templates, the pattern of ```${_()}``` should be used instead of ```gettext``` even if the strings to be translated is located in a ```script``` block.
Updated Course End Date info
Merge pull request #4272 from edx/markhoeber/documentation/doc-298

Updated Course End Date info
Merge pull request #4283 from edx/clytwynec/lms_cms_joint_bokchoy_test

add lms_base and cms_base urls to bokchoy envs
Merge pull request #4188 from edx/adam/fix-skiptests

Explicitly skip tests in common unless we know we're running the LMS unittest suite
stupid simple css typo fix
Merge pull request #4269 from Stanford-Online/giulio/fix-css-typo

stupid simple css typo fix
Merge pull request #4258 from cpennington/studio-deprecated-urls

Make Studio able to handle deprecated key formats in urls
Merge pull request #4282 from louyihua/fix-name-in-studio

Misuse of 'gettext' in mako templates
Adds subtree_edited_on, subtree_edited_by, and fixes has_changes