[3.0.x] Bumped version for 3.0 alpha 1 release.

django/__init__.py

 from django.utils.version import get_version
 
-VERSION = (3, 0, 0, 'alpha', 0)
+VERSION = (3, 0, 0, 'alpha', 1)
 
 __version__ = get_version(VERSION)
 

setup.py

@@ -90,7 +90,7 @@ setup(
     },
     zip_safe=False,
     classifiers=[
-        'Development Status :: 2 - Pre-Alpha',
+        'Development Status :: 3 - Alpha',
         'Environment :: Web Environment',
         'Framework :: Django',
         'Intended Audience :: Developers',