commit 7f3899966f0d4d03e0d2dfefa027beb791753177
Author: Ramil Kalimullin <ramil.kalimullin@oracle.com>
Date:   Sun Dec 20 12:15:49 2015 +0400

    WL#8785: Support multi-state SSL option.

    Introduce the --ssl-mode option.
    Introduce the MYSQL_OPT_SSL_MODE mysql_optiopns() option.
    Deprecate the --ssl option
    Deprecate MYSQL_OPT_SSL_ENFORCE and MYSQL_OPT_SSL_VERIFY_SERVER_CERT

    (cherry picked from commit 989ca573ab72ba9f2843ebe77d7c4484fd9ea460)
    Backported to 5.7.
    Changes:
    * undone the renaming to unused in include/mysql.h to keep with
    the binary compatibility.
    * moved the option at the end of the 5.7 options in the options enum.
    * updated the copyright year
    * Bumped the minor C API version
    * Made --ssl and --ssl-verify-server-cert have an effect in the new framework