Pass isDelivery, isMovement and isPredicate in the expression context
so that TALES can access these attributes in any object.

Do not pass objects which look useless for catalogging in the
expression context.

Apply psyco if possible.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@3251 20353a03-c40f-0410-a6d1-a30d3c3de9de