[mod] isp-format is now hosted on db.ffdn.org

requirements.txt

@@ -25,4 +25,4 @@ Whoosh==2.5.6
 # manage.py
 Flask-Script==0.6.6
 # isp format
--e git+https://dev.cafai.fr/git/isp-format.git#egg=isp-format
+-e git+https://code.ffdn.org/ffdn/isp-format.git#egg=isp-format