Merge r736155, r736303 from trunk:

remove "experimental" disclaimer in mod_charset_lite
docs; no longer experimental as of 2.2.x

Submitted by: Dan Poirier <poirier pobox.com>
Reviewed by: trawick


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@736305 13f79535-47bb-0310-9956-ffa450edef68