[FIX] ir_actions: adapt render_report when called in a tests/qweb report context to generate the pdf only if a directory has been provided

[FIX] Report: inform the user that he may not print a pdf report while his openerp is running with only one worker; adapt method to extract wkhtmltopdf version to also work on mac where the ouput of '--version' is different from gnu/linux binary

[FIX] Report: double the default height/width of barcode image to avoid a blurred/unusable barcode once integrated in a report

[FIX] Report: do not raise when wkhtmltopdf returns a code 1. In most cases, it is due to some http requests which did not success *but* the pdf is still acceptable. Far from the best commit ever, but it avoids to completely crash when just a link to an image is wrong

[FIX] website_hr_recruitment: Hide unpublished job offers to portal users and employees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