This site ist deployed on s1.ade25.de. In order to use the local fabric setup for automated deployments, you need to setup a dedicated virtualenv.
/path/to/vitualenv-2.7 dae
cd ./dae
source bin/activate
(dae) pip install Fabric
(dae) pip install slacker
Now you should be able to deploy local changes by running
(dae) fab deploy
Deployment will post a message in the #dev slack.com channel.