DRILL-4335: Apache Drill should support network encryption. NOTE: This pull request provides support for on-wire encryption using SASL framework. Communication channel covered is: 1) C++ Drill Client and Drillbit channel.
DRILL-5301: Add C++ client support for Server metadata API Add support to the Server metadata API to the C++ client if available. If the API is not supported to the server, fallback to the previous hard-coded values.
Update the querySubmitter example program to query the information.