docker dev start: indicate where how the script is supposed to be run

docker_dev_start.py

@@ -89,6 +89,12 @@
     db_user = nmspc.db_user
     db_password = nmspc.db_password
 
+    if project_name == 'odoo_scripts':
+        logging.fatal(
+            "You must run this script from the super project"
+            " (./odoo_scripts/docker_dev_start.py)")
+        return
+
     c = ConfigParser.ConfigParser()
     logging.debug('setup file path %s', setup_path)
     # TODO test that setup file exists