EVP into test_evp_cipher, test_evp_digest, test_evp_pkey and test_evp.
OBJ into test_ossl_obj.
OpenSSL RAND into test_ossl_rand.
OpenSSL PKCS7 and PKCS12 tests into test_ossl_p7p12.
CertificateManager into test_certman.
Move some BIO tests from api.c into test_evp_bio.c.
Fix line lengths.