Added a first version of REST client for Oozie
Added a first version of REST client for Oozie

Implements: blueprint edp-oozie-rest-client

Change-Id: I6e35007d7c25629bc0ebcdece08336575a715dc5

egafford/sahara,crobby/sahara,henaras/sahara,matips/iosr-2015,zhujzhuo/Sahara,redhat-openstack/sahara,ekasitk/sahara,zhujzhuo/Sahara,keedio/sahara,keedio/sahara,ekasitk/sahara,esikachev/sahara-backup,bigfootproject/sahara,citrix-openstack-build/sahara,henaras/sahara,mapr/sahara,mapr/sahara,esikachev/sahara-backup,openstack/sahara,rnirmal/savanna,xme1226/sahara,xme1226/sahara,henaras/sahara,citrix-openstack-build/sahara,bigfootproject/sahara,tellesnobrega/storm_plugin,tellesnobrega/sahara,tellesnobrega/storm_plugin,rnirmal/savanna,redhat-openstack/sahara,tellesnobrega/sahara,esikachev/scenario,matips/iosr-2015,esikachev/sahara-backup,tellesnobrega/storm_plugin,bigfootproject/sahara,egafford/sahara,esikachev/scenario,esikachev/scenario,zhangjunli177/sahara,mapr/sahara,zhangjunli177/sahara,openstack/sahara,crobby/sahara,keedio/sahara,crobby/sahara,redhat-openstack/sahara,zhangjunli177/sahara,xme1226/sahara,ekasitk/sahara,matips/iosr-2015,citrix-openstack-build/sahara,zhujzhuo/Sahara