增加实体建模

实体建模EA文件、截图、rtf。
remove the logback dependency
add the visitor bean and the user process interface
add the visitor bean and the user process interface
Merge github.com:hyxiaodili/12306ngweb
更新概要设计文档
remove the waste file
add the personal info
resolve the conflict
roll back the user.java
define the code style
update the doc
Revert "update the doc"

This reverts commit 6ebea801b902e522f73bf30b1c696e12597ce457.
Merge pull request #19 from hyxiaodili/master

define the code style and change some configuration
Merge pull request #11 from lsh6688/master

增加实体建模