[FIX] res_users: group fields shall be removed before write
[FIX] res_users: group fields shall be removed before write
ovnicraft/openerp-server,vnc-biz/openerp-server,splbio/openobject-server,MarkusTeufelberger/openobject-server,gisce/openobject-server,vnc-biz/openerp-server,MarkusTeufelberger/openobject-server,gisce/openobject-server,MarkusTeufelberger/openobject-server,splbio/openobject-server,gisce/openobject-server,splbio/openobject-server,ovnicraft/openerp-server