Add README file

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README.rst

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+Python bindings to the OpenStack Sahara API
+===========================================
+
+This is a client for the OpenStack Sahara API. There's a Python API (the
+``saharaclient`` module), and a command-line script (``sahara``). Each
+implements the OpenStack Sahara API. You can find documentation for both
+Python bandings and CLI in `Docs`_.
+
+The project is hosted on `Launchpad`_, where bugs can be filed. The code is
+hosted on `Github`_. Patches must be submitted using `Gerrit`_, *not* Github
+pull requests.
+
+.. _Github: https://github.com/openstack/python-saharaclient
+.. _Launchpad: https://launchpad.net/python-saharaclient
+.. _Gerrit: http://wiki.openstack.org/GerritWorkflow
+.. _Docs: http://docs.openstack.org/developer/python-saharaclient/
+
+python-saharaclient is licensed under the Apache License like the rest of
+OpenStack.