Fixes devstack ldap plugin

When the ldap service is enable on local.conf devstack ldap
plugin starts slapd service using its default config on Ubuntu
and installs ldap-utils package.
Enables domain specific drivers on Keystone and creates LDAP
domain 'Users' with a demo user.

Change-Id: I8d7aa260b01f675e4ed201ef93bfd66474f4b228
diff --git a/files/ldap/user.ldif.in b/files/ldap/user.ldif.in
new file mode 100644
index 0000000..16a9807
--- /dev/null
+++ b/files/ldap/user.ldif.in
@@ -0,0 +1,23 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# permissions and limitations under the License.
+
+# Demo LDAP user
+dn: cn=demo,ou=Users,${BASE_DN}
+cn: demo
+displayName: demo
+givenName: demo
+mail: demo@openstack.org
+objectClass: inetOrgPerson
+objectClass: top
+sn: demo
+uid: demo
+userPassword: demo