Add the HTTP Host: to the access_log record.  Useful when using bucket based sub-domains.
If cephx is disabled, skip all the key generation and authentication.
Merge branch 'add-vhost-to-accesslog' into cdmaster
Merge branch 'ignore-cephx-if-disabled' into cdmaster
When generating the RadosGW VHost, add support for optional ServerAliases.
Merge branch 'rgw_host_aliases' into cdmaster
Merge branch 'master' into cdmaster
Merge branch 'directories-are-executable' into cdmaster