Description of problem:
In the RHCS 3.0 install guide the rgw default civetweb port is listed as 7480. This is incorrect the default port is actually 8080.

Docs:
https://access.redhat.com/documentation/en-us/red_hat_ceph_storage/3/html-single/installation_guide_for_red_hat_enterprise_linux/#installing-the-ceph-object-gateway


Text:
5. The rgws.yml file may specify a different default port than the default port 7480. For example:

ceph_rgw_civetweb_port: 80


Actual default from Ceph-Ansible all.yml:

#radosgw_civetweb_port: 8080

Change in text:

5. The rgws.yml file may specify a different default port than the default port 8080. For example:

ceph_rgw_civetweb_port: 80

Version-Release number of selected component (if applicable):
3.0