* Add a jump to related supply lines. For now, jump only to lines but not cells, because views of cells are mostly nonsense, and their parents should have relations to the same resource anyway.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31877 20353a03-c40f-0410-a6d1-a30d3c3de9de