Add Main with embedded Tomcat to start project

start/build.gradle

 apply plugin: 'java'
-apply plugin: 'jetty'
 apply plugin: 'eclipse-wtp'
 apply plugin: 'idea'
+apply plugin: 'application'
+
+mainClassName = "hello.Main"
 
 repositories { mavenCentral() }
 
 dependencies {
 	compile "org.springframework:spring-webmvc:3.2.2.RELEASE"
-	compile "com.fasterxml.jackson.core:jackson-core:2.1.4"
-	providedCompile "javax.servlet:servlet-api:2.5"
+	compile "com.fasterxml.jackson.core:jackson-databind:2.1.4"
+	compile "org.apache.tomcat:tomcat-catalina:7.0.39"
+	compile "org.apache.tomcat.embed:tomcat-embed-core:7.0.39"
+	compile "org.apache.tomcat:tomcat-jasper:7.0.39"
 }
 
 task wrapper(type: Wrapper) {

start/src/main/java/hello/Main.java

+package hello;
+
+import java.util.HashSet;
+
+import org.apache.catalina.Context;
+import org.apache.catalina.core.AprLifecycleListener;
+import org.apache.catalina.core.StandardServer;
+import org.apache.catalina.startup.Tomcat;
+import org.springframework.web.SpringServletContainerInitializer;
+
+public class Main {
+
+	public static void main(String[] args) throws Exception {
+		Tomcat tomcat = new Tomcat();
+		tomcat.setPort(8080);
+		tomcat.setBaseDir(".");
+		tomcat.getHost().setAppBase("/");
+
+		// Add AprLifecycleListener
+		StandardServer server = (StandardServer)tomcat.getServer();
+		AprLifecycleListener listener = new AprLifecycleListener();
+		server.addLifecycleListener(listener);
+
+		Context context = tomcat.addWebapp("/", "/");
+		HashSet<Class<?>> classes = new HashSet<Class<?>>();
+		classes.add(HelloWorldWebAppInitializer.class);
+		context.addServletContainerInitializer(new SpringServletContainerInitializer(), classes);
+		tomcat.start();
+		tomcat.getServer().await();
+	}
+	
+}