Initial commit with fixtures

- add fixtures for hardware and underlay
- add fuel-devops template tcpcloud-default.yaml

* Migration of fixtures is not finished yet
diff --git a/tcp_tests/fixtures/config_fixtures.py b/tcp_tests/fixtures/config_fixtures.py
new file mode 100644
index 0000000..ffcaea9
--- /dev/null
+++ b/tcp_tests/fixtures/config_fixtures.py
@@ -0,0 +1,33 @@
+#    Copyright 2016 Mirantis, Inc.
+#
+#    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.
+import os
+
+import pytest
+
+from tcp_tests import settings_oslo
+
+
+@pytest.fixture(scope='session')
+def config():
+
+    config_files = []
+
+    tests_configs = os.environ.get('TESTS_CONFIGS', None)
+    if tests_configs:
+        for test_config in tests_configs.split(','):
+            config_files.append(test_config)
+
+    config_opts = settings_oslo.load_config(config_files)
+
+    return config_opts