Changes to Validate document by clusters

the request's body type changed from string to array, and format from json to no format

the request body application/json default value [ { "name": "male" "rule": "gender=male" }, { "name": "complex", "rule": "((gender=male AND percent=0.35) AND any is null) AND (name=*go*)" } { "name": "complex2", "rule": "((gender=male AND percent=0.35) AND any is not null) OR (name=*go*)" }, { "name": "createdIn", "rule": "createdIn between 2015-10-28 AND 2015-10-30" } ] was removed

added the media type application/json for the response with the status 200