3e73ba3879
Improves navigation within Studio for Learning Sequences, speeding up authors who want to see how a learner progresses through content without needing to jump over to the LMS. This adds a dropdown section navigator to the breadcrumbs on the unit page and copies the sequence navigator from LMS to the studio unit page.
common ------ This directory contains common code shared between LMS and CMS, such as Mako templates, CSS, and Coffescript.