Merge r1672480,1672483 from trunk:

SetEnv doesn't work for proxy-scgi-pathinfo
Further tweak: omit the period after the example lest it get copied


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1672484 13f79535-47bb-0310-9956-ffa450edef68