Add real cache support

- Fix cache per process issue with a real cache system
- Configuration seems too easy... but it seems to work

provisioning/bootstrap.sh

@@ -9,7 +9,7 @@ DBPASSWD="4KZt3nGPLVeWSvtBZPSM3fSzXpzEU4"
 
 # Installation de paquets utiles
 apt-get update && apt-get install -y python3-pip python3-dev python3-venv \
-	libmysqlclient-dev libjpeg-dev git redis-server
+	libmysqlclient-dev libjpeg-dev git redis-server memcached
 pip install -U pip
 
 # Configuration et installation de mysql. Le mot de passe root est le même que

requirements.txt

@@ -21,3 +21,4 @@ git+https://git.eleves.ens.fr/cof-geek/django_custommail.git#egg=django_customma
 ldap3
 git+https://github.com/Aureplop/channels.git#egg=channels
 python-dateutil
+python-memcached