cdh5.11.0-rc1
Since navigator api communicate on http and it needs to clear the cookies. In secure cluster clearing cookies will cause service interruption. Seperated navigator's http_client. Tested on: http://ranade-511-1.gce.cloudera.com:7180/ (cherry picked from commit 86c94b7a6afd7511a77c9b8b0d81e589792aeee1)