This reverts commit 845e3708.

Remove unused imports

Submission History safe by default

Fix sequence navigation issues for CCX courses

Upgraded xblock-lti-consumer to 1.0.5

Stripping auth querystring from S3 URLs

asadiqbal08/WL-409 updated ubcpi version

Safe  template for edxnotes.

Add registerd trademarked logo to footer.

MA-2258

We use S3 for a number of uploads. Boto, by default, includes a auth querystring on the returned URLs. Since these uploads are public, there is no need for this querystring. Additionally, the long length URLs cause problems when API consumers need to store the URLs. This commit resolves this problem by removing the auth querystring.

- Updated to latest versions of boto and django-storages-redux packages
- Added AWS_QUERYSTRING_AUTH setting to remove the querystring values

ECOM-4081

Efischer/merge release to master

Bump ora2 version

AC-223 updating transcript skip links

Merge release into master

Fixed unable to created ccx issue 

Patch/2015 04 06

asadiqbal08/WL-388: Add ModuleI18nService for Descriptor System

Making migrations in-sync with models.

TNL-4296

TNL-4296

TNL-4345: Remove include linting

ECOM-4040

Bump ORA version.

Update translations (autogenerated message)