rework redorder tabs so that we account for the fact that static tabs can be in any arbitrary order (with respect to non-static tabs) when working with an imported course

don't hard code the ordering of the tabs in the test. Take the current ordering defintion (in the test data) and reverse it

Marketing/victor

imports should have a marketing video. Treat it as a warning as every co...

make tests pass with cms config as well as lms

LMS - added in additional JQUI accordion parameter...

Fix Pearson unit tests.

Remove the specific version of ruby here because it's breaking the dev scripts amongst other things.

LMS - added in additional JQUI accordion parameter needed to display full height of active element in courseware sidebar

Feature/edz/revert explicit charset

Fix missing import

adding explicit charset declaration to additional css

explicitly set the domain for the csrf cookie to match the session domai...

Force charset for application.sass to be UTF-8

refactor tests, add test for is_commentable_cohorted, fix a bug

Feature/victor/cohorts

Returns None if course isn't cohorted, even if cohorts exist.  Shouldn't happen on prod, but could if cohorting is turned off mid-course.

Conflicts:
	common/djangoapps/student/models.py

Add a .ruby-version file for use w/ rbenv

fix bug in video player:if from=xx:xx:xx is used then bkgrnd flashes