[IMP] ir.model.data: better message + support optional context
[IMP] ir.model.data: better message + support optional context
vnc-biz/openerp-server,MarkusTeufelberger/openobject-server,ovnicraft/openerp-server,ovnicraft/openerp-server,gisce/openobject-server,splbio/openobject-server,MarkusTeufelberger/openobject-server,splbio/openobject-server,gisce/openobject-server,MarkusTeufelberger/openobject-server,gisce/openobject-server,vnc-biz/openerp-server,splbio/openobject-server