moving dual-overseer functions into the new db branch

fixed links to new computing repos, adding gdpr statement

* igwn-alert envvars not being propagated to django, and
* container settings now recognize multiple instances of lvalert
overseer

Generally less hacky. Segregates lv/igwn-alert overseer namespaces.
Should install cleaner, but it requires some changes to the AWS
deployment and secrets.

Skipping gracedb/alerts/tests/test_views.py::test_delete_contact, appears in upgrade of django2.2 -> 3.2

Duncan Meacher authored 3 years ago and Duncan Meacher committed 3 years ago

Changes required to upgrade django from 2.2 to 3.2. Depreciation errors have been fixed so that manage.py check and test pass