Add PyPI and RTD badges.

README.rst

@@ -1,15 +1,15 @@
 ``zope.dottedname``
 ===================
 
-Resolve strings containing dotted names into the appropriate python object.
-
-See ``src/zope/dottedname/README.txt`` for more information.
+.. image:: https://pypip.in/version/zope.dottedname/badge.svg?style=flat
+    :target: https://pypi.python.org/pypi/zope.dottedname/
+    :alt: Latest Version
 
-Travis: |buildstatus|_
-winbot: |winbotstatus|_
+.. image:: https://travis-ci.org/zopefoundation/zope.dottedname.png?branch=master
+        :target: https://travis-ci.org/zopefoundation/zope.dottedname
 
-.. |buildstatus| image:: https://api.travis-ci.org/zopefoundation/zope.dottedname.png?branch=master
-.. _buildstatus: https://travis-ci.org/zopefoundation/zope.dottedname
+.. image:: https://readthedocs.org/projects/zopedottedname/badge/?version=latest
+        :target: http://zopedottedname.readthedocs.org/en/latest/
+        :alt: Documentation Status
 
-.. |winbotstatus| image:: http://winbot.zope.org/buildstatusimage?builder=zope.dottedname_py_265_32&number=-1
-.. _winbotstatus: http://winbot.zope.org/builders/zope.dottedname_py_265_32/builds/-1
+Resolve strings containing dotted names into the appropriate python object.