- Define after script list, before script list to be executed before/after bt5 installation.
  - Define a list of keep_original, to avoid remove/add unwanted objects when install a business template.

This is usefull to automate user actions during a upgrade, It is not recommentd use it to hack and provide behaviours that should be part of default business template installations. after/before script should be used only by projects that requires specific procedures.



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35694 20353a03-c40f-0410-a6d1-a30d3c3de9de