web 工程 demo
spring mvc structure
spring structure
using thymeleaf instead of jstl
using jetty server instead of tomcat, jetty is much better than
tomcat, we can simply using jetty plugin in mvn. when we want to 
deloy the web, simply run "mvn jetty:run"
Merge pull request #7 from haozou/hao_spring

Hao spring
hive service added
add some comments
comments
Merge pull request #8 from haozou/hiveFunction

Hive function
updates login page.