[fix] tab handling in many2manytags
[fix] tab handling in many2manytags

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