- added error management in contact us form, using a new error argument in the view; - improved thanks template, to display more like contactus with company description; - extracted company description in website to be able to re-use it in thanks template - added optional company_name in contactus form, used to flil partner_name in lead bzr revid: tde@openerp.com-20131002114818-y369gu6u32uxry1m