[FIX] Fixed http header Content-Disposition for non-ascii filenames
[FIX] Fixed http header Content-Disposition for non-ascii filenames

gisce/openerp-web,gisce/openerp-web,vnc-biz/openerp-web,splbio/openerp-web,splbio/openerp-web,splbio/openerp-web,MarkusTeufelberger/openerp-web,vnc-biz/openerp-web,MarkusTeufelberger/openerp-web,gisce/openerp-web,MarkusTeufelberger/openerp-web,vnc-biz/openerp-web,vnc-biz/openerp-web