update change log

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@5373 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/bootstrap/erp5_core/bt/change_log

+2007-01-26 Jerome
+* added Base_uniqueReferenceInFolderValidator python script for my_reference fields validators.
+* make sure two currencies with the same reference do not exist.
+
+2006-01-26 Romain
+* modify Base_edit to call field_editor after saving the matrixbox.
+
 2006-01-26 Aurel
 * add some actions