Merge pull request #180 from forumbyr/master

fix bug: 1.network in arpa domain should not contains entities 2.query param should not be truncated before more '?' 3.entity search paging
Merge pull request #182 from forumbyr/master

1.fix bug:nameserver in domain should not contain entities.
Merge pull request #183 from forumbyr/master

fix bug:add pref to address
checkstyle arrange
Merge commit '41ea89a722c6cd58064350df7dfe89402b080d97' into dev
modify ipv6 regex and not use ipv6Address jar
Merge pull request #185 from wade1012/dev

Dev Wade
update requirement and design and database doc.