Overview:   JHostsTool finish read huhamhire's db

Platform:   Offline
Module:     JHostsTool
Description:Finish query huhamhire's db. Created a adapter of huhamhire.
TODO:
            1.Support Huhamhire's sqlite db.
            |
            |--1.1 Read db and rebuild local database.(done)
            |--1.2 Fetch huhamhire sqlite db update.
            |
            2.Xml data file and cofiguration.
            3.Distinguish Goolge Api domain.
            4.Finish Documents.