[#61440356] Add PivotalHD 1.1 support for hdfs data sources.

 - Advances chorushdfs to 50302c22 (includes '3.0.0'/v3 plugin for 2.0.5-alpha based hdfs)
 - Migrates existing 'Pivotal HD' data sources to 'Pivotal HD 1.0'
 - Provides 2 Pivotal HD choices: Pivotal HD 1.0 (2.0.2-alpha based) and Pivotal HD 1.1 (2.0.5-alpha based)