Merge r1564292 from ^/trunk

* CHANGES
  (1.8.0): Reword issue #2410 "Allow client to avoid SSL certificate prompts"
    change, to document that this is really a behavior change in svn.


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x@1564293 13f79535-47bb-0310-9956-ffa450edef68