Eww, hard to sum up…

- Update django-allauth-cas to the last version.
- Add docs (README, example/README).
- Add tests for Clipper provider.
- Add tests to check templates do not contain syntax error.
- Add the last missing templates to override all allauth's displayable
  templates.
- Improve stylesheets.

setup.py

@@ -45,7 +45,7 @@ setup(
     include_package_data=True,
     install_requires=[
         'django-allauth',
-        'django-allauth-cas',
+        'django-allauth-cas>=1.0.0b2,<1.1',
         'django-widget-tweaks',
     ],
 )