QEII Makes a Killing with IPO Jackpot     Let them day trade. The latest person to hit the IPO jackpot is not some twenty something Silicon Valley engineer, but the Queen of England. Yes, Queen Elizabeth ¥± made a king's on her less than 2 percent investment in getmapping.com. The online photography company went public this week on Britain's alternative investment market, giving the Queen a one and a half million dollar profit on paper. With that type of return, maybe the Queen needs to start her own mutual fund.