Merge branch 'django2' into new-look

.gitlab-ci.yml

config/gunicorn_config.py

config/settings/base.py

config/settings/container/base.py

config/settings/container/dev.py

config/settings/container/playground.py

config/settings/container/production.py

config/settings/container/test.py

gracedb/alerts/models.py

gracedb/api/v1/superevents/views.py

gracedb/core/file_utils.py

gracedb/core/models.py

...vents/migrations/0033_pipelinelog_and_pipeline_enabled.py

gracedb/events/migrations/0048_auto_20200303_0151.py

gracedb/events/migrations/0049_add_subgrbtargeted_search.py

gracedb/events/models.py

gracedb/events/translator.py

gracedb/ligoauth/models.py

gracedb/migrations/auth/0001_initial.py

gracedb/migrations/auth/0025_auto_20200229_1957.py