users 模块作成完了

+ hibernate config
+ users
* test
  + (ant) add-admin, remove-admin, add-worker, remove-worker
+ default html index
basic dao finished.
未验证的checkout接口
Parcel Checkout/Query completed.

* users
  * core
    * some modification
    + AuthController
  * filter
    + IsUserVerifier to check user id and pass (authorize)
* exp->parcel
  * servlet
    + CheckoutParcel, QueryParcel completed.

refer to javadoc, plz.