openssl_to_rfc 0.1.0

This crate converts an OpenSSL cipher suite name to the equivalent RFC name.

use openssl_to_rfc::TLSCipherSuite;
let cipher = TLSCipherSuite::from_openssl_name("ECDH-RSA-AES128-GCM-SHA256").unwrap();
assert_eq!(cipher, TLSCipherSuite::TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256);