use boto's HTTPResponse class for versions of boto >=2.5.2
use boto's HTTPResponse class for versions of boto >=2.5.2

Fixes bug: 1027984

Change-Id: I2101ddaa78ede90f39b55d28aab73e7f5a816af5

ntt-sic/nova,edulramirez/nova,sridevikoushik31/nova,tianweizhang/nova,dawnpower/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,petrutlucian94/nova,TwinkleChawla/nova,maelnor/nova,JioCloud/nova_test_latest,iuliat/nova,OpenAcademy-OpenStack/nova-scheduler,dawnpower/nova,yatinkumbhare/openstack-nova,JioCloud/nova_test_latest,shail2810/nova,watonyweng/nova,SUSE-Cloud/nova,spring-week-topos/nova-week,bgxavier/nova,noironetworks/nova,usc-isi/nova,virtualopensystems/nova,BeyondTheClouds/nova,CEG-FYP-OpenStack/scheduler,petrutlucian94/nova,CiscoSystems/nova,zhimin711/nova,cloudbase/nova-virtualbox,jeffrey4l/nova,tudorvio/nova,Yusuke1987/openstack_template,openstack/nova,NeCTAR-RC/nova,leilihh/novaha,luogangyi/bcec-nova,citrix-openstack-build/nova,ntt-sic/nova,ewindisch/nova,felixma/nova,NeCTAR-RC/nova,noironetworks/nova,mikalstill/nova,imsplitbit/nova,sridevikoushik31/nova,orbitfp7/nova,eonpatapon/nova,Juniper/nova,petrutlucian94/nova_dev,Metaswitch/calico-nova,plumgrid/plumgrid-nova,rrader/nova-docker-plugin,savi-dev/nova,berrange/nova,jianghuaw/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,dims/nova,mgagne/nova,adelina-t/nova,yosshy/nova,maheshp/novatest,cloudbase/nova,dims/nova,mmnelemane/nova,leilihh/nova,imsplitbit/nova,fnordahl/nova,dstroppa/openstack-smartos-nova-grizzly,qwefi/nova,alexandrucoman/vbox-nova-driver,vmturbo/nova,aristanetworks/arista-ovs-nova,devendermishrajio/nova,takeshineshiro/nova,rahulunair/nova,JioCloud/nova,CloudServer/nova,klmitch/nova,aristanetworks/arista-ovs-nova,gspilio/nova,Metaswitch/calico-nova,zzicewind/nova,DirectXMan12/nova-hacking,tanglei528/nova,yrobla/nova,sebrandon1/nova,usc-isi/nova,isyippee/nova,alvarolopez/nova,alaski/nova,cloudbase/nova-virtualbox,TwinkleChawla/nova,double12gzh/nova,orbitfp7/nova,rajalokan/nova,Yuriy-Leonov/nova,eayunstack/nova,LoHChina/nova,rickerc/nova_audit,jianghuaw/nova,MountainWei/nova,belmiromoreira/nova,mikalstill/nova,alexandrucoman/vbox-nova-driver,Stavitsky/nova,cernops/nova,raildo/nova,scripnichenko/nova,mahak/nova,eonpatapon/nova,fnordahl/nova,maoy/zknova,ted-gould/nova,spring-week-topos/nova-week,Triv90/Nova,tealover/nova,yosshy/nova,Triv90/Nova,bigswitch/nova,shail2810/nova,zaina/nova,Yusuke1987/openstack_template,viggates/nova,mahak/nova,tianweizhang/nova,zhimin711/nova,usc-isi/nova,Juniper/nova,sacharya/nova,edulramirez/nova,projectcalico/calico-nova,cloudbau/nova,ruslanloman/nova,gooddata/openstack-nova,akash1808/nova_test_latest,CCI-MOC/nova,jianghuaw/nova,saleemjaveds/https-github.com-openstack-nova,LoHChina/nova,CloudServer/nova,berrange/nova,phenoxim/nova,SUSE-Cloud/nova,paulmathews/nova,TieWei/nova,DirectXMan12/nova-hacking,projectcalico/calico-nova,akash1808/nova,sebrandon1/nova,houshengbo/nova_vmware_compute_driver,bclau/nova,tealover/nova,felixma/nova,takeshineshiro/nova,yrobla/nova,phenoxim/nova,plumgrid/plumgrid-nova,gooddata/openstack-nova,double12gzh/nova,sridevikoushik31/nova,mandeepdhami/nova,thomasem/nova,petrutlucian94/nova_dev,Francis-Liu/animated-broccoli,apporc/nova,mandeepdhami/nova,CEG-FYP-OpenStack/scheduler,kimjaejoong/nova,gooddata/openstack-nova,savi-dev/nova,luogangyi/bcec-nova,tanglei528/nova,rrader/nova-docker-plugin,blueboxgroup/nova,openstack/nova,nikesh-mahalka/nova,j-carpentier/nova,sridevikoushik31/nova,mikalstill/nova,devoid/nova,houshengbo/nova_vmware_compute_driver,belmiromoreira/nova,vmturbo/nova,rickerc/nova_audit,joker946/nova,NewpTone/stacklab-nova,eharney/nova,DirectXMan12/nova-hacking,MountainWei/nova,redhat-openstack/nova,zzicewind/nova,shootstar/novatest,Tehsmash/nova,leilihh/nova,houshengbo/nova_vmware_compute_driver,cernops/nova,devendermishrajio/nova_test_latest,CiscoSystems/nova,varunarya10/nova_test_latest,badock/nova,kimjaejoong/nova,alaski/nova,cernops/nova,mahak/nova,akash1808/nova_test_latest,Juniper/nova,sridevikoushik31/openstack,devoid/nova,isyippee/nova,yrobla/nova,akash1808/nova,bclau/nova,bgxavier/nova,ruslanloman/nova,maelnor/nova,gooddata/openstack-nova,paulmathews/nova,whitepages/nova,paulmathews/nova,openstack/nova,Yuriy-Leonov/nova,whitepages/nova,JioCloud/nova,fajoy/nova,jeffrey4l/nova,ewindisch/nova,BeyondTheClouds/nova,maoy/zknova,cyx1231st/nova,rajalokan/nova,badock/nova,alvarolopez/nova,shahar-stratoscale/nova,cloudbau/nova,TieWei/nova,raildo/nova,devendermishrajio/nova_test_latest,affo/nova,sridevikoushik31/openstack,leilihh/novaha,sridevikoushik31/openstack,fajoy/nova,cloudbase/nova,mmnelemane/nova,yatinkumbhare/openstack-nova,dstroppa/openstack-smartos-nova-grizzly,klmitch/nova,blueboxgroup/nova,Juniper/nova,NoBodyCam/TftpPxeBootBareMetal,angdraug/nova,tangfeixiong/nova,apporc/nova,Stavitsky/nova,tudorvio/nova,rajalokan/nova,klmitch/nova,NoBodyCam/TftpPxeBootBareMetal,maoy/zknova,NewpTone/stacklab-nova,saleemjaveds/https-github.com-openstack-nova,hanlind/nova,cyx1231st/nova,vmturbo/nova,bigswitch/nova,vmturbo/nova,sacharya/nova,Francis-Liu/animated-broccoli,thomasem/nova,JianyuWang/nova,nikesh-mahalka/nova,cloudbase/nova,BeyondTheClouds/nova,redhat-openstack/nova,mgagne/nova,maheshp/novatest,barnsnake351/nova,ted-gould/nova,virtualopensystems/nova,fajoy/nova,gspilio/nova,rahulunair/nova,vladikr/nova_drafts,tangfeixiong/nova,gspilio/nova,rahulunair/nova,NewpTone/stacklab-nova,joker946/nova,CCI-MOC/nova,angdraug/nova,sebrandon1/nova,hanlind/nova,klmitch/nova,Tehsmash/nova,NoBodyCam/TftpPxeBootBareMetal,watonyweng/nova,savi-dev/nova,devendermishrajio/nova,viggates/nova,eayunstack/nova,j-carpentier/nova,affo/nova,maheshp/novatest,barnsnake351/nova,dstroppa/openstack-smartos-nova-grizzly,vladikr/nova_drafts,citrix-openstack-build/nova,eharney/nova,rajalokan/nova,jianghuaw/nova,silenceli/nova,shootstar/novatest,qwefi/nova,Triv90/Nova,shahar-stratoscale/nova,zaina/nova,aristanetworks/arista-ovs-nova,silenceli/nova,varunarya10/nova_test_latest,hanlind/nova,OpenAcademy-OpenStack/nova-scheduler,adelina-t/nova,scripnichenko/nova,iuliat/nova,JianyuWang/nova