add __init__.py

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@33261 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Legacy/__init__.py

+import sys
+from Products.ERP5Type.Utils import initializeProduct, updateGlobals
+
+this_module = sys.modules[__name__]
+document_classes = updateGlobals(this_module, globals())
+
+def initialize(context):
+  initializeProduct(context, this_module, globals(),
+                    document_classes=document_classes)