* 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.
* include requirements.txt in requirements_jenkins.txt
* include requirements.txt in requirements_dev.txt
* alter Makefile to NOT call the requirements rule in the requirements_*
rules. Again, this is now handled by the -r requirements.txt in the
respective _*.txt file.
* install jenkins requirements "globally" (in the virtualenv)