[MERGE]:groupby no leaf support for printscreen rga's branch
[MERGE]:groupby no leaf support for printscreen rga's branch
ovnicraft/openerp-server,splbio/openobject-server,vnc-biz/openerp-server,ovnicraft/openerp-server,MarkusTeufelberger/openobject-server,vnc-biz/openerp-server,gisce/openobject-server,splbio/openobject-server,MarkusTeufelberger/openobject-server,gisce/openobject-server,splbio/openobject-server,MarkusTeufelberger/openobject-server,gisce/openobject-server