add postgres Fact model, update views, tests

* awx.main.models Fact added
* view host fact and timeline updated to use new Postgres Fact model instead of Mongo
* Removed license set start Mongo logic
* added View tests
* added Model tests
* Removed mongo fact unit tests
* point at modified jsonbfield that supports sqlite storage driver
* postgresify fact cache receiver
* test OPTIONS endpoint
* Note: single fact view not implemented yet.

tools/docker-compose/start_development.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+set +x
 
 # Wait for the databases to come up
 ansible -i "127.0.0.1," -c local -v -m wait_for -a "host=postgres port=5432" all