Convert links in javadoc to html

pgpainless-core/src/test/java/org/bouncycastle/PGPPublicKeyRingTest.java

@@ -28,7 +28,7 @@ public class PGPPublicKeyRingTest {
      * Learning test to see if BC also makes userids available on subkeys.
      * It does not.
      *
-     * see also https://security.stackexchange.com/questions/92635/is-it-possible-to-assign-different-uids-to-subkeys-for-the-purpose-of-having-mul
+     * @see <a href="https://security.stackexchange.com/questions/92635/is-it-possible-to-assign-different-uids-to-subkeys-for-the-purpose-of-having-mul>Stackexchange link</a>
      */
     @Test
     public void subkeysDoNotHaveUserIDsTest() throws InvalidAlgorithmParameterException, NoSuchAlgorithmException, PGPException {

pgpainless-core/src/test/java/org/pgpainless/key/WeirdKeys.java

@@ -13,7 +13,7 @@ import org.pgpainless.PGPainless;
  * This class contains a set of slightly out of spec or weird keys.
  * Those are used to test whether implementations behave correctly when dealing with such keys.
  *
- * Original source: https://gitlab.com/sequoia-pgp/weird-keys
+ * @see <a href="https://gitlab.com/sequoia-pgp/weird-keys">Original Source</a>
  */
 public class WeirdKeys {
 

pgpainless-core/src/test/java/org/pgpainless/key/generation/GenerateWithEmptyPassphraseTest.java

@@ -20,7 +20,7 @@ import org.pgpainless.util.TestAllImplementations;
 import org.pgpainless.util.Passphrase;
 
 /**
- * Reproduce behavior of https://github.com/pgpainless/pgpainless/issues/16
+ * Reproduce behavior of <a href="https://github.com/pgpainless/pgpainless/issues/16>this issue</a>
  * and verify that the fix is working.
  *
  * The issue is that the implementation of {@link Passphrase#emptyPassphrase()} would set the underlying