Further Django 2.0 missing references.

docs/quickstart.rst

@@ -4,15 +4,15 @@ Quick start
 Requirements
 ............
 
-- Django 1.11
+- Django 1.11 or 2.0
 - Python 2.7, 3.4, 3.5 or 3.6
 - a cache configured as ``'default'`` with one of these backends:
 
   - `django-redis <https://github.com/niwinz/django-redis>`_
-  - `memcached <https://docs.djangoproject.com/en/1.11/topics/cache/#memcached>`_
+  - `memcached <https://docs.djangoproject.com/en/2.0/topics/cache/#memcached>`_
     (using either python-memcached or pylibmc)
-  - `filebased <https://docs.djangoproject.com/en/1.11/topics/cache/#filesystem-caching>`_
-  - `locmem <https://docs.djangoproject.com/en/1.11/topics/cache/#local-memory-caching>`_
+  - `filebased <https://docs.djangoproject.com/en/2.0/topics/cache/#filesystem-caching>`_
+  - `locmem <https://docs.djangoproject.com/en/2.0/topics/cache/#local-memory-caching>`_
     (but it’s not shared between processes, see :ref:`locmem limits <Locmem>`)
 
 - one of these databases:
@@ -67,7 +67,7 @@ Settings
      change this setting, you end up on a cache that may contain stale data.
 
 .. |CACHES| replace:: ``CACHES``
-.. _CACHES: https://docs.djangoproject.com/en/1.11/ref/settings/#std:setting-CACHES
+.. _CACHES: https://docs.djangoproject.com/en/2.0/ref/settings/#std:setting-CACHES
 
 ``CACHALOT_DATABASES``
 ~~~~~~~~~~~~~~~~~~~~~~
@@ -80,7 +80,7 @@ Settings
   engines.
 
 .. |DATABASES| replace:: ``DATABASES``
-.. _DATABASES: https://docs.djangoproject.com/en/1.11/ref/settings/#std:setting-DATABASES
+.. _DATABASES: https://docs.djangoproject.com/en/2.0/ref/settings/#std:setting-DATABASES
 
 ``CACHALOT_TIMEOUT``
 ~~~~~~~~~~~~~~~~~~~~
@@ -191,7 +191,7 @@ Examples:
 Template utils
 ..............
 
-`Caching template fragments <https://docs.djangoproject.com/en/1.11/topics/cache/#template-fragment-caching>`_
+`Caching template fragments <https://docs.djangoproject.com/en/2.0/topics/cache/#template-fragment-caching>`_
 can be extremely powerful to speedup a Django application.  However, it often
 means you have to adapt your models to get a relevant cache key, typically
 by adding a timestamp that refers to the last modification of the object.

requirements.txt

@@ -1 +1 @@
-Django>=1.11
+Django>=1.11,<2.1

setup.py

@@ -27,6 +27,7 @@ setup(
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Framework :: Django :: 1.11',
+        'Framework :: Django :: 2.0',
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',