SECLUDIT: Handle bi-directionnal shutdown
  - Add a second call to SSL_Shutdown (http://www.openssl.org/docs/ssl/SSL_shutdown.html)
SECLUDIT: Handle bi-directionnal shutdown
  - Add a call to SSL_set_shutdown prior SSL_shutdown for performance
Doc: http://www.openssl.org/docs/ssl/SSL_set_shutdown.html
SECLUDIT: Check the consistency of the private key corresponding to the certificate
  - Add a call to SSL_CTX_check_private_key to ensure that the private key is corresponding to the certificate
Merge