[ADD] Catalogs for BoM lines created, BoM Auto-Create from product function written,
[IMP] .xml and .py files addapted to v7, now imports correctly from PU_NEO
ADD user
[REM] attr that inactivates bill of materials on mrp_bom_line, just left the domain attr
[REM] Auto create of BoM when creating a Product
[ADD] multilevel on bom now its changing to 0 when integrated, and on_change method adde
d that returns a bom if the product on the bom line has 1 bom, if it doesnt have or have more than on
e returns nothing allowing the user to pick one prefiltered by domain
[FIX] validation if bom empty
[FIX] LdM Multilevel was not calculating well when bill of materials was empty on bom_lines
[ADD] some identation and PEP8 fixes
[SSE] fixed
[ADD] security for mrp_bom_line added
[FIX] bzr add
[ADD] security for mrp_quantities_task
[ADD] calculation of all the sublists of the multilevel bom now returns the right qty
[IMP] using a better operator on the comparsion of type list
[ADD] calculation of cost based on ldms or products
[IMP] Now calculates percentual values on percentual products, doesnt matter the cost
[ADD] cost field to calculate bom on its own prices not based on the product
[REM] prints off
[ADD] cost calculated based on the price on the bom line, not taken from the bom nor the product