Adjust Config class to the docs.
Adjust Config class to the docs.

Change-Id: Ic29edd79c44a2aa6b04dee698240d0fdda657709

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