Interface/ is used, not Interfaces.py

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@7102 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Interfaces.py

-### ERP5 Synchronisation Interface
-
-class XMLObject:
-  """
-      This interface defines the behaviour of objects
-      which can be imported and exported as XML files
-      and which can be synchronised with XML files
-  """
-
-
-
-class Document:
-  """
-      This
-  """
-
-### ERP5 Core Types
-
-class Variant:
-   """
-       a
-   """
-
-class Quantity:
-   """
-       Elementary quantities 
-   """
-
-
-### ERP5 Core Model Interfaces
-
-class Node:
-   """
-       Nodes can
-   """
-
-class MetaNode:
-   """
-       A metanode
-   """
-
-class Resource:
-   """
-       d
-   """
-
-class MetaResource:
-   """
-   """
-
-class Amount:
-   """
-   """
-
-class Movement:
-   """
-
-   """
-
-class Path:
-   """
-       d
-   """
-
-class
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