Fix URL in setup.py

Author: Michael Howitz

setup.py

@@ -22,7 +22,7 @@
       keywords='',
       author='BlueDynamics Alliance',
       author_email='dev@bluedynamics.com',
-      url='https://svn.plone.org/svn/collective/bda.ldap',
+      url='https://github.com/bluedynamics/bda.ldap',
       license='General Public Licence',
       packages=find_packages('src'),
       package_dir = {'': 'src'},