[FIX] orm, workflow: do not disable wkf buttons unless explicit group is set on transitions
[FIX] orm, workflow: do not disable wkf buttons unless explicit group is set on transitions
MarkusTeufelberger/openobject-server,splbio/openobject-server,splbio/openobject-server,ovnicraft/openerp-server,vnc-biz/openerp-server,MarkusTeufelberger/openobject-server,gisce/openobject-server,splbio/openobject-server,ovnicraft/openerp-server,MarkusTeufelberger/openobject-server,vnc-biz/openerp-server,gisce/openobject-server,gisce/openobject-server