add one method on retrieving error message
Merge branch 'master' of https://github.com/cnnic/restfulwhois into cnnic-master

Conflicts:
	source/whois/WebRoot/WEB-INF/classes/com/cnnic/whois/controller/QueryServlet.class
	source/whois/WebRoot/WEB-INF/classes/com/cnnic/whois/dao/QueryDAO.class
	source/whois/WebRoot/WEB-INF/classes/com/cnnic/whois/service/QueryService.class
	source/whois/src/com/cnnic/whois/controller/QueryServlet.java
	source/whois/src/com/cnnic/whois/dao/QueryDAO.java
	source/whois/src/com/cnnic/whois/service/QueryService.java
PublicIds and query from python script

update the response format of publicIds and remove the error caused by
query regarding to python script.
Merge pull request #4 from dengguangqing/master

PullicIds and query regarding python script