[FIX] allow to call write without ids on osv_memory objects
[FIX] allow to call write without ids on osv_memory objects

vnc-biz/openerp-server,splbio/openobject-server,ovnicraft/openerp-server,vnc-biz/openerp-server,gisce/openobject-server,gisce/openobject-server,ovnicraft/openerp-server,xrg/openerp-server,xrg/openerp-server,gisce/openobject-server,MarkusTeufelberger/openobject-server,splbio/openobject-server,MarkusTeufelberger/openobject-server,splbio/openobject-server,MarkusTeufelberger/openobject-server