Add pypi and resource links to README.rst

This commit adds pypi download + version badges and resource links to
README.rst. These information could be useful for users and developers.

Change-Id: Ifd68ad7cc3c5f504a0562821d719ddb3cf58408a

README.rst

@@ -2,6 +2,14 @@
 subunit2SQL README
 ==================
 
+.. image:: https://img.shields.io/pypi/v/subunit2sql.svg
+    :target: https://pypi.python.org/pypi/subunit2sql/
+    :alt: Latest Version
+
+.. image:: https://img.shields.io/pypi/dm/subunit2sql.svg
+    :target: https://pypi.python.org/pypi/subunit2sql/
+    :alt: Downloads
+
 subunit2SQL is a tool for storing test results data in a SQL database. Like
 it's name implies it was originally designed around converting `subunit`_
 streams to data in a SQL database and the packaged utilities assume a subunit
@@ -40,6 +48,9 @@ command to create a subunit stream from data in the database. Additionally,
 subunit2sql provides a Python DB API that can be used to query information from
 the stored data to build other tooling.
 
+- Source: http://git.openstack.org/cgit/openstack-infra/subunit2sql
+- Bugs, Stories: https://storyboard.openstack.org/#!/project/747
+
 Usage
 =====