Britain's FTSE steadies, underpinned by commodities

* British industrial output grows (ADVISORY- Reuters plans to replace intra-day European and UK stock market reports with a Live Markets blog on Eikon - see cpurl://apps.cp./cms/?pageId=livemarkets for site in development. LONDON, June 8 (Reuters) - Britain's top share index outperformed European shares on Wednesday, with a recovery in commodities prices underpinning basic resources and energy stocks. The blue-chip FTSE 100 index was flat in percentage terms at 6,285.21 points by 1135 GMT after