GLOBAL MARKETS-Wall St rallies, dollar gains after Fed policy statement

(Updates with Wall St jump, Fed policy statement and latest prices)* Federal Reserve signals 2015 rate increases* U.S. share indexes up more then 1 percent* Oil prices increase, rouble gainsBy Michael ConnorNEW YORK, Dec 17 (Reuters) - U.S. stock prices jumped and the dollar strengthened on Wednesday after the Federal Reserve signaled America&aposs economy was strong enough to handle interest rate