[FIX] make the graph tolerant about formatting in group bys
[FIX] make the graph tolerant about formatting in group bys

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