[FIX] add missing trigger on attribute.attribute and attribute.option write
[FIX] fix indentation
[FIX] specify the backend adapter for the ProductCategoryDeleteSynchronizer
[IMP] force to loadd all images as base64, please update binary_field module
[IMP] force to load all images as base64, when exporting the product image please update binary_field module
[IMP] edition of attribute set and category should be only done on OpenERP side, no 2 ways synchronisation
[REF] refactor test and use MagentoHelper for getting the next id
[IMP] add automatic binding for product with unit test