Require posix_ipc for lockutils
Require posix_ipc for lockutils

Nova commit 01b208a06c6841b7e03e2a8657941cad1947b453 brought
oslo-incubator commit edce46cf5efd6d738d379205f9bf526a498845e3 over to
nova but didn't update nova's requirements.txt to require posix_ipc,
which is required for that code in lockutils.

Closes-Bug: #1338644

Change-Id: Ic6bb599b31436732cfa71a17272777bace8dfc88

TwinkleChawla/nova,yatinkumbhare/openstack-nova,jianghuaw/nova,sebrandon1/nova,raildo/nova,dawnpower/nova,projectcalico/calico-nova,affo/nova,zzicewind/nova,virtualopensystems/nova,Juniper/nova,joker946/nova,dims/nova,rahulunair/nova,vmturbo/nova,edulramirez/nova,JianyuWang/nova,dawnpower/nova,redhat-openstack/nova,petrutlucian94/nova,eayunstack/nova,MountainWei/nova,mahak/nova,mahak/nova,silenceli/nova,scripnichenko/nova,takeshineshiro/nova,mandeepdhami/nova,iuliat/nova,bigswitch/nova,tangfeixiong/nova,rajalokan/nova,j-carpentier/nova,mmnelemane/nova,rajalokan/nova,phenoxim/nova,tudorvio/nova,saleemjaveds/https-github.com-openstack-nova,ruslanloman/nova,jianghuaw/nova,LoHChina/nova,JianyuWang/nova,maelnor/nova,hanlind/nova,iuliat/nova,cyx1231st/nova,mikalstill/nova,badock/nova,devendermishrajio/nova_test_latest,zaina/nova,akash1808/nova,noironetworks/nova,orbitfp7/nova,scripnichenko/nova,JioCloud/nova,alexandrucoman/vbox-nova-driver,zzicewind/nova,adelina-t/nova,joker946/nova,fnordahl/nova,projectcalico/calico-nova,cernops/nova,berrange/nova,petrutlucian94/nova,mikalstill/nova,sebrandon1/nova,CCI-MOC/nova,vmturbo/nova,mmnelemane/nova,raildo/nova,apporc/nova,watonyweng/nova,vmturbo/nova,BeyondTheClouds/nova,felixma/nova,CloudServer/nova,viggates/nova,devendermishrajio/nova,felixma/nova,zhimin711/nova,silenceli/nova,mgagne/nova,saleemjaveds/https-github.com-openstack-nova,eonpatapon/nova,gooddata/openstack-nova,CloudServer/nova,takeshineshiro/nova,redhat-openstack/nova,fnordahl/nova,mikalstill/nova,MountainWei/nova,NeCTAR-RC/nova,Metaswitch/calico-nova,JioCloud/nova_test_latest,rajalokan/nova,Tehsmash/nova,akash1808/nova,vmturbo/nova,tealover/nova,double12gzh/nova,cyx1231st/nova,mahak/nova,sebrandon1/nova,devendermishrajio/nova_test_latest,maelnor/nova,yosshy/nova,cloudbase/nova-virtualbox,devendermishrajio/nova,thomasem/nova,alexandrucoman/vbox-nova-driver,akash1808/nova_test_latest,openstack/nova,JioCloud/nova,alaski/nova,belmiromoreira/nova,Juniper/nova,gooddata/openstack-nova,tianweizhang/nova,vladikr/nova_drafts,edulramirez/nova,hanlind/nova,CCI-MOC/nova,CEG-FYP-OpenStack/scheduler,nikesh-mahalka/nova,Francis-Liu/animated-broccoli,bgxavier/nova,gooddata/openstack-nova,bgxavier/nova,Yusuke1987/openstack_template,BeyondTheClouds/nova,adelina-t/nova,yatinkumbhare/openstack-nova,tianweizhang/nova,Stavitsky/nova,cloudbase/nova,phenoxim/nova,kimjaejoong/nova,cernops/nova,alvarolopez/nova,blueboxgroup/nova,eonpatapon/nova,zhimin711/nova,jianghuaw/nova,noironetworks/nova,alaski/nova,cloudbase/nova-virtualbox,tudorvio/nova,klmitch/nova,watonyweng/nova,Metaswitch/calico-nova,isyippee/nova,rahulunair/nova,rajalokan/nova,NeCTAR-RC/nova,cernops/nova,angdraug/nova,cloudbase/nova,CEG-FYP-OpenStack/scheduler,LoHChina/nova,tangfeixiong/nova,kimjaejoong/nova,virtualopensystems/nova,hanlind/nova,nikesh-mahalka/nova,JioCloud/nova_test_latest,klmitch/nova,belmiromoreira/nova,whitepages/nova,whitepages/nova,blueboxgroup/nova,shail2810/nova,ted-gould/nova,angdraug/nova,dims/nova,varunarya10/nova_test_latest,berrange/nova,jeffrey4l/nova,j-carpentier/nova,Juniper/nova,openstack/nova,thomasem/nova,Yusuke1987/openstack_template,varunarya10/nova_test_latest,badock/nova,ted-gould/nova,barnsnake351/nova,affo/nova,bigswitch/nova,zaina/nova,rahulunair/nova,barnsnake351/nova,orbitfp7/nova,isyippee/nova,mandeepdhami/nova,vladikr/nova_drafts,jianghuaw/nova,Francis-Liu/animated-broccoli,tealover/nova,viggates/nova,klmitch/nova,BeyondTheClouds/nova,alvarolopez/nova,Tehsmash/nova,openstack/nova,akash1808/nova_test_latest,apporc/nova,Stavitsky/nova,eayunstack/nova,klmitch/nova,mgagne/nova,double12gzh/nova,gooddata/openstack-nova,shail2810/nova,cloudbase/nova,ruslanloman/nova,yosshy/nova,TwinkleChawla/nova,Juniper/nova,jeffrey4l/nova