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.
fix the change file compile error and jetty:run successful
Merge remote-tracking branch 'c4/master' into prac4