* European shares follow Tokyo, Wall St lower* Dollar up vs euro, yen after big fall on Monday* Oil falls, IEA revises down demand growth forecastBy Nigel StephensonLONDON, Oct 14 (Reuters) - Deepening worries over the health of the global economy dragged shares in Europe and Japan lower on Tuesday, while the dollar rebounded against the euro and yen from big declines the previous day.With figures