Moves the keystone_signing directory into a subdirectory
of /var/lib/quantum which is use for lots of other things
as well.
Change-Id: I451d2bca17dcdb5b7050bc412e709285f87cb788
admin_tenant_name = %SERVICE_TENANT_NAME%
admin_user = %SERVICE_USER%
admin_password = %SERVICE_PASSWORD%
-signing_dir = /var/lib/quantum
+signing_dir = /var/lib/quantum/keystone-signing
[filter:extensions]
paste.filter_factory = quantum.api.extensions:plugin_aware_extension_middleware_factory