Added a script to run the existing unit tests.

Change-Id: I34b8423663a95729dad85f7041f3bd183f0a9914

run_tests.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+# Copyright 2013 Rackspace
+#
+# 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.
+
+flake8 cloudcafe
+flake8 metatests
+python -m unittest discover -t . -s ./metatests

test-requirements.txt

@@ -0,0 +1,3 @@
+unittest2
+mock
+flake8