Remove unused massemail commands.
Update Video component docs per BLD-837
fixes css to render properly poll module (BLD-839)
Added space between counts on staff grading panel.
ORA-294
BLD-837: Fix download transcript behavior.
Merge pull request #2601 from edx/waheed/ora294-ui-issue-on-staff-grading

Added space between counts on staff grading panel.
LMS: adding language selector to user dashboard (WIP)
wiring for language selector
Added dark lang database fixture to bok choy tests
Acceptance test for language selector

Tests language selection feature for student dashboard
LMS: simplifying language settings modal controls UI
Moved UserPreferences to common
Merge pull request #2405 from edx/ned/remove-massemail

Remove unused massemail commands.
Replace rake functions with python paver functions
Deprecated rake functions issue a warning and then call paver
replacements

Bring Paver commands up to date with master for servers, assets, and docs.
Revert deprecation of quality, tests, and i18n for a future pull request.
Deprecate workspace migration
First rough cut of a container page.
Couple more changes
updated container header styling and exposed sidebar back to its location. includes some javascript to render tooltips on overflowed text headers
Merge pull request #2520 from edx/will/paver-rebase-part-1

Paver (Part 1)
styling for recursive xblock rendering structure to be used in the container page, pulling from general xblock styles in a separate file.
Add "Additional Transcripts" section to Video topic