Adding Changelog for 1.4.4
Adding Changelog for 1.4.4

Change-Id: I4f8915ba81fb08fb1c94f56fa45a1d5c6f2889e9

maginatics/swift,dpgoetz/swift,nadeemsyed/swift,sarvesh-ranjan/swift,shibaniahegde/OpenStak_swift,notmyname/swift,xiaoguoai/ec-dev-swift,IPVL/swift-kilo,Seagate/swift,hurricanerix/swift,notmyname/swift,smerritt/swift,NeCTAR-RC/swift,smerritt/swift,JioCloud/swift,anishnarang/gswift,dpgoetz/swift,hbhdytf/mac2,hbhdytf/mac2,tsli/test,smerritt/swift,xiaoguoai/ec-dev-swift,Em-Pan/swift,bradleypj823/swift,tipabu/swift,hbhdytf/mac2,larsbutler/swift,eatbyte/Swift,swiftstack/swift,Triv90/SwiftUml,scality/ScalitySproxydSwift,Akanoa/swift,zaitcev/swift-lfs,Mirantis/swift-encrypt,psachin/swift,zaitcev/swift-lfs,redbo/swift,nadeemsyed/swift,citrix-openstack/build-swift,dencaval/swift,IPVL/swift-kilo,thiagodasilva/swift,hbhdytf/mac,williamthegrey/swift,maginatics/swift,revoer/keystone-8.0.0,tipabu/swift,iostackproject/IO-Bandwidth-Differentiation,redhat-openstack/swift,mjzmjz/swift,mja054/swift_plugin,tipabu/swift,openstack/swift,mjwtom/swift,zackmdavis/swift,notmyname/swift,JioCloud/swift,hbhdytf/mac,AfonsoFGarcia/swift,bouncestorage/swift,Khushbu27/Tutorial,prashanthpai/swift,daasbank/swift,bradleypj823/swift,aerwin3/swift,Seagate/swift,nadeemsyed/swift,matthewoliver/swift,aerwin3/swift,gold3bear/swift,NewpTone/StackLab-swift,matthewoliver/swift,rackerlabs/swift,nadeemsyed/swift,prashanthpai/swift,wenhuizhang/swift,hurricanerix/swift,citrix-openstack-build/swift,gold3bear/swift,tipabu/swift,swiftstack/swift,shibaniahegde/OpenStak_swift,matthewoliver/swift,clayg/swift,rackerlabs/swift,openstack/swift,eatbyte/Swift,mja054/swift_plugin,clayg/swift,psachin/swift,orion/swift-config,VictorLowther/swift,daasbank/swift,redbo/swift,bouncestorage/swift,hurricanerix/swift,mjwtom/swift,levythu/swift,Em-Pan/swift,Triv90/SwiftUml,psachin/swift,dencaval/swift,openstack/swift,psachin/swift,orion/swift-config,mjzmjz/swift,AfonsoFGarcia/swift,iostackproject/IO-Bandwidth-Differentiation,matthewoliver/swift,thiagodasilva/swift,redhat-openstack/swift,clayg/swift,larsbutler/swift,citrix-openstack-build/swift,zackmdavis/swift,openstack/swift,mja054/swift_plugin,smerritt/swift,Mirantis/swift-encrypt,sarvesh-ranjan/swift,NewpTone/StackLab-swift,swiftstack/swift,takeshineshiro/swift,citrix-openstack/build-swift,tsli/test,williamthegrey/swift,revoer/keystone-8.0.0,Akanoa/swift,Khushbu27/Tutorial,clayg/swift,notmyname/swift,NeCTAR-RC/swift,hbhdytf/mac2,hurricanerix/swift,takeshineshiro/swift,anishnarang/gswift,bkolli/swift,levythu/swift,scality/ScalitySproxydSwift,VictorLowther/swift,wenhuizhang/swift,bkolli/swift