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/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..fa4659c
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,3 @@
+[pytest]
+addopts = -vvv -s -p no:django -p no:ipdb --junit-xml=nosetests.xml
+testpaths = tcp_tests