make requireScore dependant on requireApproval

Author: Robert Führicht

src/main/java/com/gitblit/client/EditRepositoryDialog.java

@@ -228,6 +228,7 @@ private void initialize(int protocolVersion, RepositoryModel anRepository) {
 		Integer [] 	scores = { 0, 2, 4, 5, 6, 8 };
 		requireScore = new JComboBox(scores);
 		requireScore.setSelectedItem(anRepository.requireScore);
+		requireScore.setEnabled(anRepository.requireApproval);
 
 		writeSignoffCommit = new JCheckBox(Translation.get("gb.writeSignoffDescription"),
 				anRepository.writeSignoffCommit);

src/main/java/com/gitblit/wicket/pages/EditRepositoryPage.java

@@ -454,12 +454,13 @@ protected void onSubmit() {
 				getString("gb.requireApprovalDescription"),
 				new PropertyModel<Boolean>(repositoryModel, "requireApproval")));
 		List<Integer> scores = Arrays.asList(-1, 0, 2, 4, 5, 6, 8);
+		final boolean allowRequireScore = repositoryModel.requireApproval;
 		form.add(new ChoiceOption<Integer>("requireScore",
 				getString("gb.requireScore"),
 				getString("gb.requireScoreDescription"),
 				new DropDownChoice<Integer>("choice",
 						new PropertyModel<Integer>(repositoryModel, "requireScore"),
-						scores)));
+						scores)).setEnabled(allowRequireScore));
 		form.add(new BooleanOption("writeSignoffCommit",
 				getString("gb.writeSignoffCommit"),
 				getString("gb.writeSignoffCommitDescription"),