Make sure supervisor service is started after install
Make sure supervisor service is started after install

Fix #1616

GeotrekCE/Geotrek-admin,GeotrekCE/Geotrek-admin,GeotrekCE/Geotrek-admin,GeotrekCE/Geotrek-admin,makinacorpus/Geotrek,makinacorpus/Geotrek,makinacorpus/Geotrek,makinacorpus/Geotrek