dao refactor:fuzzy query
Merge branch 'my-1119'

Conflicts:
	source/whois/src/com/cnnic/whois/dao/DbQueryExecutor.java
	source/whois/src/com/cnnic/whois/dao/QueryEngine.java
	source/whois/src/com/cnnic/whois/dao/QueryExecutor.java
	source/whois/src/com/cnnic/whois/service/QueryService.java