Merge release into master

Revert "Change topic name truncation."

removed edx-icons fallback images for video icons and fully use Font Awesome

This reverts commit d75e6335.

Fix TNL-4392

Convert Discussion Module to XBlock

MA-2531: fix unread_comment_count for 'read' patch

Make program details date formatting consistent with course dashboard

Clean up paver arguments

Merge release into master

* Renames discussion_module to discussion_xblock
* Moves common/lib/xmodule/xmodule_discussion to openedx/core/lib/xblock_builtin/xblock_discussion

Performance improvement, this cache is no longer needed thanks
to block_structure caching data.

TNL-4874

Time Zone in Account Settings

ECOM-4219 - Add the course states to course cards and make sure the display follows course states (#12844)

Please enter the commit message for your changes. Lines starting

Release Candidate rc/2016-06-28

* Partial changes for purchase tracking

* Continued changes for purchase tracking

* Clean up code quality issues

* Clean up code quality issues

* Responses to code review

* Fix code quality flaged issues

* Fix code quality flaged issues

* Fix code quality flaged issues

* Fix problem processing sailthru_content cookie

When getting progress, we need these blocks in two locations. They
do not need to be individually fetched.

Changed setup.py to ensure page objects have all the files needed whe…

Merge pull request #12884 from edx/revert-12833-hamzamunir/TNL-4141-problem_creation_empty_answer_not_allowed

Revert "TNL 4141"

TNL 4141

Make user enrollment more robust

WL-538 changes to make UI responsive

Replacing relative imports by absolute imports for all files into com…