New "Active Students" data on instructor dash
Added discussion label change to release notes
modifying or into add
fixing system to be lms by default

re-add the path splitting op as there are some use cases for it

modifying or into add

fixing system to be lms by default

re-add the path splitting op as there are some use cases for it
Merge branch 'mvo/running_unittests_alone' of https://github.com/edx/edx-platform into mvo/running_unittests_alone