Vegas Inc – In an abrupt reversal, Bally Technologies CEO Ramesh Srinivasan is being replaced at the helm by the man he replaced less than a year and a half ago — the same one who recruited Srinivasan to the company, no less. The Las Vegas slot-machine maker said today that Srinivasan, a nine-year company veteran, is leaving Bally and that Dick Haddrill would assume the CEO’s spot May 23. Haddrill was Bally’s chief executive from 2004 to 2012 and has been chairman of the board since Srinivasan was promoted to CEO. Haddrill will give up the chairman’s seat next…