Spaces to tabs and license cleanup

samples/websocket/src/main/java/sample/config/H2Initializer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -32,7 +32,7 @@ public class H2Initializer {
 	@Bean
 	public ServletRegistrationBean h2Servlet() {
 		ServletRegistrationBean servletBean = new ServletRegistrationBean();
-		servletBean.addUrlMappings("/h2/*"); 
+		servletBean.addUrlMappings("/h2/*");
 		servletBean.setServlet(new WebServlet());
 		return servletBean;
 	}