Add the possibility for use to define a stop payment lift date when requesting the lift (change workflow state change template, add setter call in workflow action script).
Dislay that date on the document after lift was requested.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@24971 20353a03-c40f-0410-a6d1-a30d3c3de9de