Updated readme with build and coverage info

Author: thegrymek

README.rst

@@ -1,6 +1,14 @@
+=======================
 Python Disk Collections
 =======================
 
+.. image:: https://travis-ci.org/thegrymek/python-disk-collections.svg?branch=master
+  :target: https://travis-ci.org/thegrymek/python-disk-collections
+
+.. image:: https://coveralls.io/repos/github/thegrymek/python-disk-collections/badge.svg
+  :target: https://coveralls.io/github/thegrymek/python-disk-collections
+
+
 Module contains class with extended python list that stores items at disk.
 By default items before save are pickled and compressed. Use that list
 as usual list!