Merge pull request #548 from forumbyr/master

fix bug: modify remark data.
Merge pull request #549 from forumbyr/master

fix bug: modify notice data.
Merge pull request #550 from forumbyr/master

add comments; fix checkstyle problem.
update javadoc api.
Merge pull request #551 from forumbyr/master

update javadoc api.
Merge remote-tracking branch 'cnnic/dev' into HEAD

Conflicts:
	doc/rdap_apidocs.rar