Fix Gitter badge

Author: nicoddemus

README.rst

@@ -1,11 +1,7 @@
 pluggy - A minimalist production ready plugin system
 ====================================================
 
-.. image:: https://badges.gitter.im/pytest-dev/pluggy.svg
-   :alt: Join the chat at https://gitter.im/pytest-dev/pluggy
-   :target: https://gitter.im/pytest-dev/pluggy?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
-|pypi| |anaconda| |versions| |travis| |appveyor|
-
+|pypi| |anaconda| |versions| |travis| |appveyor| |gitter|
 
 This is the core framework used by the `pytest`_, `tox`_, and `devpi`_ projects.
 
@@ -71,7 +67,10 @@ A definitive example
 .. |appveyor| image:: https://img.shields.io/appveyor/ci/pytestbot/pluggy/master.svg
     :target: https://ci.appveyor.com/project/pytestbot/pluggy
 .. |anaconda| image:: https://anaconda.org/conda-forge/pluggy/badges/version.svg
-    :target: https://anaconda.org/conda-forge/pluggy
+    :target: https://anaconda.org/conda-forge/pluggy    
+.. |gitter| image:: https://badges.gitter.im/pytest-dev/pluggy.svg
+    :alt: Join the chat at https://gitter.im/pytest-dev/pluggy
+    :target: https://gitter.im/pytest-dev/pluggy?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge    
 
 .. links
 .. _pytest: