[+]BO : add a flag ALL (ALL languages) for set a value to all languages

It duplicate the value to all language to set a numeric value esay to all language like (lenght, weight...). It's very simply for encode multilingual product features.
[*] BO : Added B2B info to orderview
Add order_slip webservice

tested
Add order_slip webservice

tested
//js must be include by using setMedia()
//carrier wizard error classes
//tab modules list fix
Merge branch '1.6' of https://github.com/PrestaShop/PrestaShop into 1.6
// update prodcut.scss/css
// ajax notification success//error PSCSX-137
Merge branch '1.6' of https://github.com/PrestaShop/PrestaShop into 1.6
small fix contant-form page
Merge pull request #1136 from TMMeilleur/1.6

small fix //contant-form.tpl
Merge pull request #1135 from anat/1.6

[*] WS: Add OrderSlip entity
[*] CORE : Set PHP error handler
// fix bug css
Merge branch '1.6' of https://github.com/PrestaShop/PrestaShop into 1.6
// prevent strings in qty
// fixtures
// ajax update for product quantity is now using global notification