Improve readme contents

Add information about package from PyPi

Change-Id: I115cd704dc07989c3fc74c2a2bfd7ad172cbf14d

CONTRIBUTING.rst

@@ -17,4 +17,4 @@ Pull requests submitted through GitHub will be ignored.
 
 Bugs should be filed on Launchpad, not GitHub:
 
-   https://bugs.launchpad.net/sahara
+   https://bugs.launchpad.net/sahara-tests

README.rst

@@ -1,7 +1,31 @@
 Tests for Sahara project
 ========================
 
+.. image:: https://img.shields.io/pypi/v/sahara-tests.svg
+    :target: https://pypi.python.org/pypi/sahara-tests/
+    :alt: Latest Version
+
+.. image:: https://img.shields.io/pypi/dm/sahara-tests.svg
+    :target: https://pypi.python.org/pypi/sahara-tests/
+    :alt: Downloads
+
 In sahara_tests folder we have next tools:
     - Sahara-scenario framework
+    - Sahara tempest tests
 
 For more details see README.rst file in the chosen directory
+
+* License: Apache License, Version 2.0
+* `PyPi`_ - package installation
+* `Launchpad project`_ - release management
+* `Blueprints`_ - feature specifications
+* `Source`_
+* `Specs`_
+* `Release notes`_
+
+.. _PyPi: https://pypi.python.org/pypi/sahara-tests
+.. _Launchpad project: https://launchpad.net/sahara-tests
+.. _Blueprints: https://blueprints.launchpad.net/sahara-tests
+.. _Source: https://git.openstack.org/cgit/openstack/sahara-tests
+.. _Specs: http://specs.openstack.org/openstack/sahara-specs/
+.. _Release notes: http://docs.openstack.org/releasenotes/sahara-tests/unreleased.html