ENT-16 Make SSO configurable per Site

JER-157 Allow for per-Site override of MKTG_URLS setting

Update Vector Drawing XBlock to the latest version.

[ENT-23] Convert SAML cache expiration to timezone-aware datetime.datetime

Disable the "View Unit in Studio" button in CCX courses

add codecov to jenkins-report

automate help links

Update xblock-poll dependency to v1.2.1.

Remove offline grade calc

Add version to VisibleBlocks model.

This management command has been broken since before the django 1.8
upgrade, so I'm deleting it and all its tests, and updating a few
other files that used these methods but are easily refactored away.

TNL-5600

Don't fail if platform name contains non-ascii characters.

This change disambiguates the use of `id` in the
ConfigurationModelManager queryset extensions. This is required
when specifying KEY_FIELDS where there is more than one key and
at least one of them is a ForeignKey. The table must be specified
in this case because the query extension may be appended to the
WHERE clause of queries selecting `id` fields from multiple tables
via an INNER JOIN clause.

Revert "[SOL-2077] Update DnDv2 version to 2.0.10"

[SOL-2077] Update DnDv2 version to 2.0.10

replaced static with dynamically generated copyright year

It should help catch unicode encoding problems earlier.

This also updates python-saml dependency to a version that includes a
patch for unicode strings.

ECOM-5281 Add retires for email sending while registering.

Show error on password reset form

Add aria attributes to discussion topics sidebar

Update translations (autogenerated message)

AC-578 Fix marketing link key typo

TNL-5169

Standardize logged errors

Grades python integration tests

Release