Fix sometimes erroneous Ed25519 public key to X25519 public key conversion.

Added mass (x1000) testing of key conversion and shared secret calculations.

Fix incorrect proxy private key test that has expected result from previous
algorithm.

Added another test HTML/JS file.

src/main/java/org/qora/crypto/BouncyCastle25519.java

@@ -71,6 +71,8 @@ public class BouncyCastle25519 {
 		int[] u = new int[X25519Field.SIZE];
 		X25519Field.mul(onePlusY, oneMinusYInverted, u);
 
+		X25519Field.normalize(u);
+
 		byte[] x25519PublicKey = new byte[X25519.SCALAR_SIZE];
 		X25519Field.encode(u, x25519PublicKey, 0);