Deprecation of filtered in elasticsearch 2.0

@mramaprasad please do not ask the same question in many threads. You have also asked this in Elasticsearch 2 - filtered query and Filtered query in Elasticsearch 2 all within a few hours. Be patient when waiting for an answer to your questions, this is a community forum and therefore you may not get an immediate response to your questions (see https://www.elastic.co/community/codeofconduct for more details)