[IMP] [BACKPORT] Converto bzrignore to gitignore, like what has been done in master.

product_id_change set the description with the same behavior as sale orders
product_id_change set the price unit according to the pricelist
_prepare_invoice is split into two sub methods, _prepare_invoice_data and _prepare_invoice_line
_prepare_invoice actually prepare the invoice values instead of directly creating the invoice

[FIX] website_hr_recruitment: Hide unpublished job offers to portal users and employees

- scholar: the field is_correct is on the answer, not on the question
- remove closing reason 'an answer was accepted', the questions should be left as open to be possible to improve the answer afterward
- sort badges by most frequent first
- display the creation date of the question the same way we display the answer date

[FIX] remove closing reason 'an answer was accepted', the questions should be left as open to be possible to improve the answer afterward

Automatic auth='user' redirection for unlogged users

[FIX] website_forum: when sending emails about forum post, use the public url instead of the private

Also added a breadcrumb in partners navigation; when going on the partner view
a link to come back to the list view has been added and takes into account
selected grade and country.

opt out with query parameter ?noredirect=1

[FIX] sale: in paypal, the encoding of the url should be done with werkzeug instead of urllib for better handeling of unicode (opw 607866)

[ADD] Macedonian language

to display partner references, use the one defined in website_crm_partner_assign module.

function fields for other records in the same model. Previously all function fields in the
current model were not computed for some reason not provided by the history.

We therefore compute effective store_ids on which the various trigerred
function fields will be computed again. Those ids are the ids given
in the store_get storage variable minus the deleted ones.

on resellers page that do not have country_id set, leading to some values
not being present in the countries variable holding data about partner
localisation.

- fixed crash when displaying a closed question for public users; indeed partner data was displayed without using the contact widget
- display only the 100 last activities + order by date desc
- do not display closed of offensive questions in searches. Users can still go on the question using their direct link.