fixup! Project management improvements

metadata was not committed, so next time VCS tab is used on this
business template the path is marked as removed.

bt5/erp5_project/bt/template_path_list

@@ -2,6 +2,7 @@ portal_deliveries/task_invoice_builder
 portal_deliveries/task_invoice_builder/**
 portal_deliveries/task_report_builder
 portal_deliveries/task_report_builder/**
+portal_domains/date_milestone_domain
 portal_domains/project_person_domain
 portal_domains/project_person_task_report_domain
 portal_domains/project_project_domain