Add initial plugin structure

Creates initial module structure and a dummy test.

Change-Id: I7a861dcc800cf3a49da2e317e4780aa5c5027733
Implements: bp tempest-plugin
diff --git a/barbican_tempest_plugin/config.py b/barbican_tempest_plugin/config.py
new file mode 100644
index 0000000..4326351
--- /dev/null
+++ b/barbican_tempest_plugin/config.py
@@ -0,0 +1,21 @@
+# Copyright 2016 SAP SE
+# All Rights Reserved.
+#
+#    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.
+
+from oslo_config import cfg
+
+service_option = cfg.BoolOpt("barbican",
+                             default=True,
+                             help="Whether or not barbican is expected to be "
+                                  "available")