Remove statement of Django 1.9 and Python 3.3 compatibility from docs

README.rst

@@ -80,7 +80,7 @@ We thank `BrowserStack <https://www.browserstack.com/>`_, who provide the projec
 
 Compatibility
 ~~~~~~~~~~~~~
-Wagtail supports Django 1.8.1+ on Python 2.7, 3.3, 3.4 and 3.5. Supported database backends are PostgreSQL, MySQL and SQLite.
+Wagtail supports Django 1.8.x and 1.10.x, on Python 2.7, 3.4 and 3.5. Supported database backends are PostgreSQL, MySQL and SQLite.
 
 Contributing
 ~~~~~~~~~~~~

setup.py

@@ -81,12 +81,10 @@ setup(
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Framework :: Django',
         'Framework :: Django :: 1.8',
-        'Framework :: Django :: 1.9',
         'Framework :: Django :: 1.10',
         'Topic :: Internet :: WWW/HTTP :: Site Management',
     ],