merge r1555424 from trunk:

document on/off parameter in the usual manner and show defaults for
SSLHonorCipherOrder, SSLOCSPEnable, SSLOCSPOverrideResponder, and
SSLInsecureRenegotiation


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1555876 13f79535-47bb-0310-9956-ffa450edef68