py37-dj111 still fails for some reason. The only difference in the problematic method between 1.11.12 and 2.0 is whitespace. It's fine in py37-dj20 which is all we really care about so I'm inclined to ignore that issue. py37-dj111 isn't even tested on Travis CI so its failure won't be a problem.
Both django-celery-beat and adarnauth-esi have put out releases supporting dj20 so it's not necessary to build from their source.
Temporarily use latest snapshot for esi for dj20
Correct admin urls include
Manually correct old ts3 table migration
Remove obsolete services migrations
Remove bootstrap pagination package
Fix url namespacing
