Approved backedports:

-     http://svn.apache.org/viewvc?view=rev&revision=649162
-     http://svn.apache.org/viewvc?view=rev&revision=649176
-     http://svn.apache.org/viewvc?view=rev&revision=649460



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@765997 13f79535-47bb-0310-9956-ffa450edef68