httpd/ibay-migration template: single file template converted to dir+fragments form. Refs #1791
httpd/ibay-migration template: Append the most generic Alias at the end. Refs #1791
ssl.conf: fixed SSLProtocol value, when SSLv2 prop is "disabled". Fixes #1792
httpd.conf template: module fragment is expanded before base fragment. *.conf, *.ibay and *.vhost Include must now check if a module is loaded (IfModule !modname). Refs #1793