- add cell categories of the Pay Sheet Cell on the Pay Sheet Line (it's much
  more easyer to access it (from the OOoTemplate) on the Pay Sheet Line rather
  than on the Cell)


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@18303 20353a03-c40f-0410-a6d1-a30d3c3de9de