MINOR: ssl: add statement to force some ssl options in global.

Adds global statements 'ssl-default-server-options' and
'ssl-default-bind-options' to force on 'server' and 'bind' lines
some ssl options.

Currently available options are 'no-sslv3', 'no-tlsv10', 'no-tlsv11',
'no-tlsv12', 'force-sslv3', 'force-tlsv10', 'force-tlsv11',
'force-tlsv12', and 'no-tls-tickets'.

Example:
      global
        ssl-default-server-options no-sslv3
        ssl-default-bind-options no-sslv3
(cherry picked from commit 2c86cbf7539af2008d61780b14f37ea8c46c2192)
diff --git a/include/types/global.h b/include/types/global.h
index 77df1dd..f1525ae 100644
--- a/include/types/global.h
+++ b/include/types/global.h
@@ -85,6 +85,8 @@
 	int maxsslconn;
 	char *listen_default_ciphers;
 	char *connect_default_ciphers;
+	int listen_default_ssloptions;
+	int connect_default_ssloptions;
 #endif
 	unsigned int ssl_server_verify; /* default verify mode on servers side */
 	struct freq_ctr conn_per_sec;