Update README.md
Update README.md
Merge pull request #258 from cnnic/dev

4th Iteration
Merge pull request #260 from cnnic/dev

update build file; fix variants query problem
Update README.md

change rdap-develop to rdap-master
Merge pull request #262 from cnnic/dev

update build file
Merge pull request #264 from cnnic/dev

update build file
Merge pull request #275 from cnnic/dev

Dev
Merge pull request #276 from cnnic/dev

Dev
Update README.md
Merge pull request #283 from forumbyr/master

add test log conf.
ns test modify
Merge commit 'a1bc2d434fffe24c1b92eb809df23841708623a2' into dev
Merge remote-tracking branch 'cnnic/dev' into local
Merge pull request #284 from wade1012/dev

Dev Wade
remove policy test
Merge pull request #285 from wade1012/dev

remove policy test
add clear policy
Merge pull request #286 from wade1012/dev

add clear policy
Merge remote-tracking branch 'cnnic/dev' into local