Merge pull request #242 from shuanzi/data2_xiquan

Data2_xiquan->wangfeng
1.Change to pullFromOtherRepo  2.Fix bug: Unkown utils 3.Complete write DB when file add/rm/ch
Merge branch 'data2' of ssh://github.com/IbpTeam/demo-rio into data2
Merge pull request #243 from v11985/data2

1.Change to pullFromOtherRepo  2.Fix bug: Unkown utils 3.Complete write DB when file add/rm/ch ->yuanzhe
Fix write DB fail when multi files
Merge pull request #244 from v11985/data2

Data2 ->yuanzhe
1.sync msg flow  2.improve update items api
Merge pull request #245 from huyuanzhe/data2

data2#153_yuanzhe->wangfeng
fix
Merge branch 'data2' of ssh://github.com/IbpTeam/demo-rio into data2_xiquan