1) UCP -> Airship
2) readthedocs.org -> readthedocs.io (there is redirect)
3) http -> https
4) attcomdev -> airshipit (repo on quay.io)
5) att-comdev -> openstack/airship-* (repo on github/openstack git)
6) many URLs have been verified and adjusted to be current
7) no need for 'en/latest/' path in URL of the RTD
8) added more info to some setup.cfg and setup.py files
9) ucp-integration docs are now in airship-in-a-bottle
10) various other minor fixes
Change-Id: I55f546b8ad22bf2e3097ff831d021ed5a35059de
f44b3cc384