by moving categories except use to a delicated bt5, we can easily install erp5_wendelin without category conflict
todo: extend wendelin configurator to install correctly erp5_wendelin and erp5_wendelin_category
by moving categories except use to a delicated bt5, we can easily install erp5_wendelin without category conflict
todo: extend wendelin configurator to install correctly erp5_wendelin and erp5_wendelin_category