[Spring] configurations

<!-- Activates various annotations to be detected in bean classes -->
<!-- 設定註釋注册到Spring容器 -->
<context:annotation-config />

<!-- Scans the classpath for annotated components that will be auto-registered as Spring beans.
 For example @Controller and @Service. Make sure to set the correct base-package-->
<!-- 在 base-package下尋找有 @Component 和 @Configuration 的 target Class予註冊為 bean -->
<context:component-scan base-package="org.krams.tutorial" />

<!-- Configures the annotation-driven Spring MVC Controller programming model.
Note that, with Spring 3.0, this tag works in Servlet MVC only!  -->
<mvc:annotation-driven />


* Reference
- krams::: Spring 3 MVC: Using @ModelAttribute in Your JSPs