Fix bool default values in HDP plugin

Boolean type is used in json instead of string.

Change-Id: I28c887f79b30b04932d3067feadb5a7760cd11d3
Added a first version of REST client for Oozie

Implements: blueprint edp-oozie-rest-client

Change-Id: I6e35007d7c25629bc0ebcdece08336575a715dc5
Merge "Fix bool default values in HDP plugin"
Merge "Added a first version of REST client for Oozie"