Data#40_yuanzhe:get update history
Merge pull request #55 from v11985/data#40_wangfeng

Fix network discovery bug->yuanzhe
Data#40_yuanzhe:send update action
Data#40_yuanzhe:update action
Merge pull request #56 from v11985/data#40_wangfeng

Change advertise time->yuanzhe
Merge pull request #57 from v11985/data#40_wangfeng

Fix device discovery go to confusion when send/receive message ->yuanzhe
Data#40_yuanzhe:fix connect refused
merge
Merge pull request #59 from v11985/data#40_wangfeng

Add account for data sync->yuanzhe
Merge branch 'Data' of github.com:IbpTeam/demo-rio into Data#40_yuanzhe
Data#40_yuanzhe:Step for data sync
Merge pull request #60 from huyuanzhe/Data#40_yuanzhe

Data#40 yuanzhe -> wangfeng
SpaceIssue+wangyu: fix space issue
Merge branch 'Data' of github.com:IbpTeam/demo-rio into spaceissue
Merge pull request #61 from wangyufish/spaceissue

Spaceissue+wangyu:->wangfeng
OK
Add contacts lastAccessTime