Add missing oslo module.
Add missing oslo module.

Policy was being used, and there was a copy in openstack.common,
but it didn't appear in the openstack-common.conf config file. Fix
that.

Resolves bug 1181893.

Change-Id: Ib62bec4fcfc6c04d8f53ef503b028c287c4d1c63

dsiddharth/access-keys,roopali8/keystone,openstack/keystone,klmitch/keystone,rickerc/keystone_audit,cernops/keystone,rajalokan/keystone,rickerc/keystone_audit,townbull/keystone-dtrust,maestro-hybrid-cloud/keystone,cernops/keystone,vivekdhayaal/keystone,townbull/keystone-dtrust,ging/keystone,nuxeh/keystone,takeshineshiro/keystone,citrix-openstack-build/keystone,rushiagr/keystone,ging/keystone,nuxeh/keystone,rushiagr/keystone,blueboxgroup/keystone,promptworks/keystone,MaheshIBM/keystone,ntt-sic/keystone,dstanek/keystone,UTSA-ICS/keystone-kerberos,jumpstarter-io/keystone,jamielennox/keystone,cloudbau/keystone,dsiddharth/access-keys,rajalokan/keystone,jamielennox/keystone,ilay09/keystone,reeshupatel/demo,openstack/keystone,derekchiang/keystone,citrix-openstack-build/keystone,UTSA-ICS/keystone-kerberos,klmitch/keystone,MaheshIBM/keystone,dstanek/keystone,himanshu-setia/keystone,takeshineshiro/keystone,dims/keystone,jonnary/keystone,vivekdhayaal/keystone,rajalokan/keystone,maestro-hybrid-cloud/keystone,jumpstarter-io/keystone,kwss/keystone,citrix-openstack-build/keystone,promptworks/keystone,JioCloud/keystone,idjaw/keystone,promptworks/keystone,kwss/keystone,mahak/keystone,openstack/keystone,cloudbau/keystone,roopali8/keystone,idjaw/keystone,cloudbau/keystone,himanshu-setia/keystone,jumpstarter-io/keystone,reeshupatel/demo,townbull/keystone-dtrust,mahak/keystone,rodrigods/keystone,ntt-sic/keystone,rushiagr/keystone,blueboxgroup/keystone,dsiddharth/access-keys,kwss/keystone,reeshupatel/demo,dims/keystone,dstanek/keystone,vivekdhayaal/keystone,nuxeh/keystone,ilay09/keystone,derekchiang/keystone,jonnary/keystone,rickerc/keystone_audit,JioCloud/keystone,rodrigods/keystone,ajayaa/keystone,mahak/keystone,derekchiang/keystone,ajayaa/keystone,ntt-sic/keystone,ilay09/keystone