Merge r558837 (Address PR42898 by qualifying the value of Pattern for...

Merge r558837 (Address PR42898 by qualifying the value of Pattern for RewriteRule, and later explaining how to snarf the rest of the request url.)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@559019 13f79535-47bb-0310-9956-ffa450edef68