- add the id generators generic
- add the zodb continuous increasing id generator
- add the sql non continuous increasing id generator
- change id tool for the id generators and the compatiblity with the old api
- change the business template to not modify the generator dictionaries
  during the export and the install of bt
- change the test of id tool



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@34543 20353a03-c40f-0410-a6d1-a30d3c3de9de