- add big warnings about helpers becoming obsolete

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@40722 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/helpers/00CANDIDATE_TO_REMOVE00.txt

+Helpers are being removed.
+Please do not use in case of ERP5 Appliance 2.12
+Please try to not use in case of ERP5 Appliance 2.8

buildout/helpers/DO_NOT_use_in_ERP5_Appliance_2.12.txt

+Plesae see 00CANDIDATE_TO_REMOVE00.txt