* added InventoryLine_viewFieldLibrary form
* added Inventory_viewFieldLibrary form
* Proxify all fields on Inventory_view
* Proxify all fields on InventoryLine_view
* add automatic references on inventories
* add automatic references on inventory lines
* enable the constraint about duplicate inventories

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@20385 20353a03-c40f-0410-a6d1-a30d3c3de9de