Fixed logging about changes of cluster status
Fixed logging about changes of cluster status

Fixed an bug in module:
 * sahara/utils/general.py

Change-Id: Id8921e1c1579e8138e92bede44c84c3f47ab9dba

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