[BZ-1228842] Echo RGW default port during rgw create
[BZ-1228842] Echo RGW default port during rgw create

Let the user know the default port has been used for RGW, as the
default port is probably not one people will guess.

Signed-off-by: Travis Rhoden <e5e44d6dbac12e32e01c3bb8b67940d8b42e225b@redhat.com>

shenhequnying/ceph-deploy,ceph/ceph-deploy,imzhulei/ceph-deploy,ceph/ceph-deploy,codenrhoden/ceph-deploy,isyippee/ceph-deploy,ghxandsky/ceph-deploy,isyippee/ceph-deploy,SUSE/ceph-deploy,Vicente-Cheng/ceph-deploy,branto1/ceph-deploy,zhouyuan/ceph-deploy,ghxandsky/ceph-deploy,zhouyuan/ceph-deploy,imzhulei/ceph-deploy,osynge/ceph-deploy,osynge/ceph-deploy,SUSE/ceph-deploy,Vicente-Cheng/ceph-deploy,trhoden/ceph-deploy,trhoden/ceph-deploy,codenrhoden/ceph-deploy,branto1/ceph-deploy,shenhequnying/ceph-deploy