Do not use newContent. In the future, special GeneratedMovement class will be used everywhere so that it does not interfere with anything else. Or use SimulationMovement and change its portal type.

git-svn-id: https://svn.erp5.org/repos/public/erp5/sandbox/amount_generator@35005 20353a03-c40f-0410-a6d1-a30d3c3de9de