CANADA STOCKS-CP outlook, Valeant deal inject cheer into TSX

* TSX closes up 62.29 points, or 0.43 percent, at 14,555.97 * Valeant soars after bid for Botox maker; CP Rail up on cheery outlook (Adds fund manager comment, updates prices to close) By Alastair Sharp TORONTO, April 22 (Reuters) - Canada's main stock index notched a solid gain on Tuesday, helped by a surge in Valeant Pharmaceuticals International Inc after it said it planned to buy Botox maker Allergan Inc and an upbeat outlook from Canadian Pacific Railway Ltd. Valeant is no