Add service accounts to sample_data.sh
Add service accounts to sample_data.sh

Updated sample_data.sh to create the service accounts now required
for services (Nova/Swift/etc) to use Keystone.  Swift and Quantum
are now enabled by setting ENABLE_SWIFT and/or ENABLE_QUANTUM.

This corresponds to the auth_token middleware rewrite in
https://review.openstack.org/4675

Change-Id: I327c593a53f3ac06e2ed0c1543d2974728e70e03

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