PR#1153: RedirectMatch does not escape its result.

and unrelated to that PR:  RedirectMatch does not allow constructs
such as "RedirectMatch /advertiser/(.*) $1".

Reviewed by:	Jim Jagielski, Roy Fielding


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@79302 13f79535-47bb-0310-9956-ffa450edef68