Update version and copyright years

docs/conf.py

@@ -24,13 +24,13 @@ django.setup()
 # -- Project information -----------------------------------------------------
 
 project = 'AlekSIS'
-copyright = '2019, AlekSIS team @ Teckids e.V.'
+copyright = '2019, 2020, AlekSIS team @ Teckids e.V.'
 author = 'AlekSIS team @ Teckids e.V.'
 
 # The short X.Y version
-version = '1.0'
+version = '2.0'
 # The full version, including alpha/beta/rc tags
-release = '1.0dev0'
+release = '2.0a1'
 
 
 # -- General configuration ---------------------------------------------------