update ssl_ciphers to match cipherli.st

Update to match backwards compatable ciphers at http://cipherli.st, https://github.com/RaymiiOrg/raymiiorg.github.io/blob/master/tutorials/Strong_SSL_Security_On_lighttpd.html, & https://github.com/RaymiiOrg/raymiiorg.github.io/blob/master/tutorials/Strong_SSL_Security_On_Apache2.html