Merge pull request #452 from yqz1016/dev

Auto generate link property for object
Merge pull request #18 from cnnic/dev

merge from cnnic
fix bug: check rang for v4/v6.
fix bug: extra prop in domain; ip validation.
fix bug: v4/v6 type case-insensitive; arpa-ip add order by
Merge pull request #459 from forumbyr/master

fix bug
delect Access control for search result