springboot 使用mustcache模板

参考链接：
https://mustache.github.io/mustache.5.html
http://www.mkyong.com/spring-boot/spring-boot-hello-world-example-mustache
http://www.jianshu.com/p/7f1cecdc27e1

添加依赖包

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-mustache</artifactId>
</dependency>