Add Django 1.11 into *.md and setup.py

README.md

@@ -54,7 +54,7 @@ There is a live example API for testing purposes, [available here][sandbox].
 # Requirements
 
 * Python (2.7, 3.2, 3.3, 3.4, 3.5)
-* Django (1.8, 1.9, 1.10)
+* Django (1.8, 1.9, 1.10, 1.11)
 
 # Installation
 

docs/index.md

@@ -88,7 +88,7 @@ continued development by **[signing up for a paid plan][funding]**.
 REST framework requires the following:
 
 * Python (2.7, 3.2, 3.3, 3.4, 3.5)
-* Django (1.8, 1.9, 1.10)
+* Django (1.8, 1.9, 1.10, 1.11)
 
 The following packages are optional:
 

setup.py

@@ -95,6 +95,7 @@ setup(
         'Framework :: Django :: 1.8',
         'Framework :: Django :: 1.9',
         'Framework :: Django :: 1.10',
+        'Framework :: Django :: 1.11',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',