Deprecated xreadlines() usage fixed
Deprecated xreadlines() usage fixed

Change-Id: Iadf42c2f86f78c11259e21c88b4aef51db3441ad

bkolli/swift,tipabu/swift,Em-Pan/swift,takeshineshiro/swift,tipabu/swift,notmyname/swift,notmyname/swift,shibaniahegde/OpenStak_swift,hbhdytf/mac2,revoer/keystone-8.0.0,prashanthpai/swift,bouncestorage/swift,openstack/swift,revoer/keystone-8.0.0,williamthegrey/swift,bkolli/swift,hbhdytf/mac2,bradleypj823/swift,aerwin3/swift,larsbutler/swift,hbhdytf/mac,smerritt/swift,hbhdytf/mac,rackerlabs/swift,shibaniahegde/OpenStak_swift,smerritt/swift,larsbutler/swift,clayg/swift,mjzmjz/swift,hurricanerix/swift,nadeemsyed/swift,rackerlabs/swift,prashanthpai/swift,notmyname/swift,nadeemsyed/swift,hurricanerix/swift,tipabu/swift,matthewoliver/swift,swiftstack/swift,hbhdytf/mac2,williamthegrey/swift,matthewoliver/swift,psachin/swift,psachin/swift,notmyname/swift,aerwin3/swift,bouncestorage/swift,redhat-openstack/swift,smerritt/swift,levythu/swift,daasbank/swift,clayg/swift,hbhdytf/mac2,matthewoliver/swift,swiftstack/swift,tipabu/swift,mjzmjz/swift,gold3bear/swift,nadeemsyed/swift,thiagodasilva/swift,nadeemsyed/swift,openstack/swift,hurricanerix/swift,matthewoliver/swift,smerritt/swift,hurricanerix/swift,dencaval/swift,Em-Pan/swift,clayg/swift,dencaval/swift,psachin/swift,openstack/swift,thiagodasilva/swift,redhat-openstack/swift,clayg/swift,levythu/swift,gold3bear/swift,psachin/swift,daasbank/swift,mjwtom/swift,swiftstack/swift,openstack/swift,takeshineshiro/swift,Akanoa/swift,Akanoa/swift,redbo/swift,bradleypj823/swift,redbo/swift,mjwtom/swift