Upgrade sphinx, fix docs

Signed-off-by: Jason Myers <jason.myers@getbuilt.com>

Author: Jason Myers

README.txt

@@ -45,7 +45,7 @@ Installation
 ============
 
 See the `project documentation
-<http://www.doughellmann.com/docs/virtualenvwrapper/>`__ for
+<https://virtualenvwrapper.readthedocs.io/en/latest/>`__ for
 installation and setup instructions.
 
 Supported Shells
@@ -71,7 +71,7 @@ Support
 
 Join the `virtualenvwrapper Google Group
 <http://groups.google.com/group/virtualenvwrapper/>`__ to discuss
-issues and features.  
+issues and features.
 
 Report bugs via the `bug tracker on Bitbucket
 <https://bitbucket.org/virtualenvwrapper/virtualenvwrapper/issues>`__.
@@ -92,7 +92,7 @@ Change Log
 
 The `release history`_ is part of the project documentation.
 
-.. _release history: http://www.doughellmann.com/docs/virtualenvwrapper/history.html
+.. _release history: https://virtualenvwrapper.readthedocs.io/en/latest/history.html
 
 =======
 License

docs/requirements.txt

@@ -1,2 +1,3 @@
-sphinxcontrib-bitbucket
-sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
+# sphinxcontrib-bitbucket
+# sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
+sphinx

docs/source/conf.py

@@ -25,7 +25,7 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = ['sphinxcontrib.bitbucket']
+# extensions = ['sphinxcontrib.bitbucket']
 
 bitbucket_project_url = 'https://bitbucket.org/virtualenvwrapper/virtualenvw' \
     'rapper/'