ip query: check length for v4, for the exception of storing v6 data in
v4 entry.
Merge remote-tracking branch 'cnnic/dev'

Conflicts:
	rdap-webapp/src/main/java/org/restfulwhois/rdap/dao/impl/DomainQueryDaoImpl.java
	rdap-webapp/src/main/java/org/restfulwhois/rdap/dao/impl/NetworkQueryDaoImpl.java
Merge pull request #456 from forumbyr/master

ip query: check length for v4, for the exception of storing v6 data in v4 entry