Update to Thymeleaf 3.0.2 and remove tiles

Spring 5 removed support for Tiles 2 and Thymeleaf does not support
Tiles 3 yet. This commit updates to Thymeleaf 3.0.2 and uses
Thymeleaf's build in layout support.

Issue gh-4080

samples/javaconfig/hellojs/src/main/java/org/springframework/security/samples/mvc/config/CustomMvcConfig.java

@@ -1,41 +0,0 @@
-/*
- * Copyright 2002-2013 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.springframework.security.samples.mvc.config;
-
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.core.Ordered;
-import org.thymeleaf.spring4.SpringTemplateEngine;
-import org.thymeleaf.spring4.view.ThymeleafViewResolver;
-
-/**
- * Disable tiles so that we can provide our custom view without being decorated.
- *
- * @author Rob Winch
- *
- */
-@Configuration
-public class CustomMvcConfig {
-
-	@Bean
-	public ThymeleafViewResolver thymeleafViewResolver(SpringTemplateEngine templateEngine) {
-		ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();
-		viewResolver.setOrder(Ordered.HIGHEST_PRECEDENCE - 10);
-		viewResolver.setTemplateEngine(templateEngine);
-		return viewResolver;
-	}
-
-}