Add upgrade notes for sahara-api to sahara-all
Add upgrade notes for sahara-api to sahara-all

Change-Id: Iff26acf3a814a0a5b677fca80e567a9834bcf6f0

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