Properly name openstack.common.exception.
Properly name openstack.common.exception.

Now it's 'nova.openstack.common.exception', thanks to a more modern
update.py in common.

Change-Id: I4b3caf9014f866da3a5bbf07ab194fc9910159b0

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