Added warning that default behaviour has changed

Author: dnichol

examples/delete_older_versions_system_wide.py

@@ -53,6 +53,9 @@
 
 projects = hub.get_projects(limit=9999).get('items', [])
 
+logging.warn(f"The default behaviour of this script has changed.  Previously it would not delete mapped code locations while deleting a project version and would rely on these being cleaned up by the system at a later date.")
+logging.info(f"If you wish to keep the previous behaviour please pass the -ncl or --do_not_delete_code_locations parameter.")
+
 for project in projects:
 	versions = hub.get_project_versions(project, limit=9999)
 	sorted_versions = sorted(versions['items'], key = lambda i: i['createdAt'])