FEATURE: adjust setup metadata (#110)

Author: Simon Krull

setup.py

@@ -41,7 +41,9 @@
     version=__version__,
     author='Divio AG',
     author_email='info@divio.ch',
-    url='https://github.com/divio/djangocms-snippet',
+    maintainer='Django CMS Association and contributors',
+    maintainer_email='info@django-cms.org',
+    url='https://github.com/django-cms/djangocms-snippet',
     license='BSD-3-Clause',
     description='Adds snippet plugin to django CMS.',
     long_description=open('README.rst').read(),