The central valirable must be kw, not request_form, to pass arguments away -...

The central valirable must be kw, not request_form, to pass arguments away - but keep resuqet_form updated when kw is, for compatibility.
Fix selection_name being accessed directly although not defined : grab it from kw.



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@10743 20353a03-c40f-0410-a6d1-a30d3c3de9de