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

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* 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…

Incorrect links on `edX Course Catalog API`

delete local pycharm files

Account registration and activation text string revisions

AC-398 putting edx.org social media links in list, updating styles

ECOM-4792

ECOM-1730

Fix `bulk_change_enrollment` command to emit event

ECOM-4775

Update translations (autogenerated message)

Bump safe template linter thresholds to fix failing builds

Include link to shareable run mode certificate, when available.

TNL-4853

Part of ECOM-4224.

Grading followup

Merge patch-2016-06-22 release to master

Upgrade edx-oauth2-provider to v1.1.3

Convert to tag syntax for version

1. update query counts with more accuracy
2. don't use defaultdict in block_structure