EC certificate with compression point

Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2739)

test/certs/server-cecdsa-cert.pem

+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

test/certs/server-cecdsa-key.pem

+-----BEGIN EC PRIVATE KEY-----
+MFcCAQEEIEyOTc8v2AjaRLgE6+oxbbmQOVbNec21ziVORF5fiQHuoAoGCCqGSM49
+AwEHoSQDIgAC4js03ETjze0nIgpPoo5AzlmV+uKCHXYERwfGfOm52BU=
+-----END EC PRIVATE KEY-----