add transport mode and vehicle, models and views
make mode and vehicle translatable, add POT
add doc to transport_information
fix typo in README
use relative imports
tighten permissions of transport mode/vehicle

It is not sensible information, so I am giving anyone the right to read
and purchase managers the right to do anything.
Merge pull request #12 from lepistone/transport_information

add transport mode and vehicle, models and views
reactivate logistic_requisition module
reformat and add missing license headers
remove transport_plan dependancy
port models and method to API 8.0
refactor workflows
remove eta things as transport_plan is not used
define default values
port onchanges
move onchange_validate on logistic_requisition_budget
port xmlid_to_object
add dependancy on stock_dropshipping
improve manifest
Remove additions on purchase order as product service do not generate procurement anymore and drop shipping automatically validates it's procurement