* TSX up 84.78 points, or 0.55 percent, at 15,561.95 * Nine of 10 main index sectors advance * Energy shares climb with oil price By John Tilak TORONTO, Aug 20 (Reuters) - Canada's main stock index touched a record high on Wednesday after commentary from the Federal Reserve suggested that the U.S. central bank's monetary policy will remain market-friendly for now. Minutes from a recent policy meeting indicated that the Fed will not raise interest rates until it has more conf