Add some known subjects

Change-Id: I3bdcb3e54cfb1a8e3d53748ab39da009b428c593
Merge branch 'reorder-stack.sh' into dt-test
Merge branch 'local-vars-accounts' into dt-test
Merge branch 'local-vars-cinder' into dt-test
Merge branch 'local-vars-horizon' into dt-test
Merge branch 'local-vars-keystone' into dt-test
Merge branch 'local-vars-misc' into dt-test
Merge branch 'local-vars-swift' into dt-test
Merge branch 'cinder-backend-solidfire' into dt-test
Merge branch 'cinder-backend-netapp' into dt-test
Merge branch 'maintainers' into dt-test
Merge branch 'conf-tempest' into dt-test
Merge branch 'test-service-functions' into dt-test
Merge branch 'exercise-refresh' into dt-test