Add rest of EdDSA RFC test vectors. Also test of EdDSA verify, of test vectors.

test/test_goldilocks.cxx

@@ -522,6 +522,15 @@ static void test_cfrg_vectors() {
             for (unsigned i=0; i<sig.size(); i++) printf("%02x", sig[i]);
             printf("\n");
         }
+
+        try {
+            if (!eddsa_prehashed[t]) {
+                priv.pub().verify(eddsa_sig[t], eddsa_message[t], eddsa_context[t]);
+            }
+        } catch(CryptoException&) {
+            test.fail();
+            printf("    EdDSA Verify vector #%d disagree\n", t);
+        }
     }
 
     /* X448 */