Merge pull request #232 from reaperhulk/readme-badges

update readme with some nice svg badges

README.rst

@@ -1,6 +1,16 @@
 
 pyOpenSSL - A Python wrapper around the OpenSSL library
-------------------------------------------------------------------------------
+-------------------------------------------------------
+
+.. image:: https://coveralls.io/repos/pyca/pyopenssl/badge.svg
+  :target: https://coveralls.io/r/pyca/pyopenssl
+
+.. image:: https://readthedocs.org/projects/pyopenssl/badge/?version=latest
+    :target: https://pyopenssl.readthedocs.org/
+    :alt: Latest Docs
+
+.. image:: https://travis-ci.org/pyca/pyopenssl.svg?branch=master
+    :target: https://travis-ci.org/pyca/pyopenssl
 
 See the file INSTALL.rst for installation instructions.
 
@@ -9,6 +19,3 @@ See https://github.com/pyca/pyopenssl for development.
 See https://pyopenssl.readthedocs.org for documentation.
 
 See https://mail.python.org/mailman/listinfo/pyopenssl-users for the discussion mailing list.
-
-.. image:: https://coveralls.io/repos/pyca/pyopenssl/badge.png
-  :target: https://coveralls.io/r/pyca/pyopenssl