NEWYORK(Reuters)-WorldshareswerelittlechangedWednesdayaspolicymakersinEuropereassuredmarketsthatadealonreleasingemergencyaidtoGreecewasclose,thoughthefailureoflenderstocometoanagreementontheirownkeptinvestorscautious.Eurozonefinanceministers,theInternationalMonetaryFundandtheEuropeanCentralBankwillgatheragainMondayafternearly12hoursoftalksfailedtoproduceaconsensusonhowtobringG...