ECOM-5486 pass sailthru campaign id to Sailthru

Move invoices to point to order instead of basket.

Changed requirements to pull edx-i18n-tools from PyPI and .gitignore …

WIP [SOL-1856] Incorrect error message appear for discount coupon when Co…

[SOL-1856] Incorrect error message appear for discount coupon when Coupon reaches maximum usage limit.

Changed oscar default error messages and tests added

Changed get error message

First commits addressed

Remove try-except and check message

Changed code to coupon code

Change order-basket-lines queries to order-lines.

[SOL-2046] Remove unnecessary call to Course Catalog Service

Fix condition for multi-offer coupons.

Get info from order directly not via the basket

Fixes for coupon form.

Add an OEP-2 compliant openedx.yaml file

Use Babel directly to format benefit value.

Upgrade gunicorn to 19.6.0

Includes a note about why gevent has been left at 1.0.2. ECOM-5386.

Update basket deletion management command

Avoid deletion of invoiced baskets, and sleep between each batch deletion. Also do a better job explaining why we used batched deletes. In service of ECOM-5386.

Revert "Upgrade gunicorn and gevent"

This reverts commit 20eec8e0. I'm backing this out because of a problem with the way gevent wraps Python's __import__ functionality.

Really fix missing JSON data.

Upgrade gunicorn and gevent

Byproduct of ECOM-5386.

Check existence of JSON data from both catalog and LMS course API

Revert use of catalog for basket page.

This reverts commit b1250ba5.

This reverts commit 72386e07.

Check for top level image null