Update the EC2 ToToken middleware to use eventlet.green.httplib instead of httplib2. Fixes issues where the JSON request body wasn't getting sent to Keystone.
Update the EC2 ToToken middleware to use eventlet.green.httplib instead
of httplib2. Fixes issues where the JSON request body wasn't getting sent
to Keystone.

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