Add blank nova/virt/baremetal/__init__.py
Add blank nova/virt/baremetal/__init__.py

Without this file in place I was seeing some test failures from the
baremetal unit tests.  The failure was:

    ImportError: No module named baremetal.db

Change-Id: I7596e7916796d5cb382d3856918b35c01814a455

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