Bumped version; master is now 2.1 pre-alpha.

django/__init__.py

 from django.utils.version import get_version
 
-VERSION = (2, 0, 0, 'alpha', 0)
+VERSION = (2, 1, 0, 'alpha', 0)
 
 __version__ = get_version(VERSION)
 

docs/conf.py

@@ -79,7 +79,7 @@ copyright = 'Django Software Foundation and contributors'
 # built documents.
 #
 # The short X.Y version.
-version = '2.0'
+version = '2.1'
 # The full version, including alpha/beta/rc tags.
 try:
     from django import VERSION, get_version
@@ -95,7 +95,7 @@ else:
     release = django_release()
 
 # The "development version" of Django
-django_next_version = '2.0'
+django_next_version = '2.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.