mod_ssl: Backport SSLHonorCipher

PR 28665.

Backport of r103832 and r103837 from trunk.

Proposed/Backported by: rjung
Reviewed by: humbedooh, wrowe


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.0.x@1489890 13f79535-47bb-0310-9956-ffa450edef68