* Install drf-yasg

* Add drf-yasg settings and urls

* Pin drf to make drf-yasg work

* Adjust config-models version to be compatible

* Remove django-rest-swagger (the old way)

instead of localhost

* Install drf-yasg

* Add drf-yasg settings and urls

* Pin drf to make drf-yasg work

* Adjust config-models version to be compatible

* Remove django-rest-swagger (the old way)

The pinned version is the one tagged with a release that is also on
PyPI.

https://github.com/jazzband/django-pipeline/tree/1.5.3

Use PyPI instead since that will be faster.

Update deprecated pygeoip
to geoip2 and all usages
of it

Learner-6238

Update ORA2 repo version

Fix Python tests

Upgrade Recommender XBlock version

Remove unnecessary requirements and update bleacher usage

Keep html5lib unpinned

Upgrading requirements

Ignore python-interpolate-html for bleached html

Update old transcripts metadata present in video xml with the new transcripts for backward compatibility.

The published fork seems to be getting updates more regularly than the original project
and has the bugfix we forked for.