San Francisco mobile payment provider Xoom Corp. has acquired Miami startup BlueKite for about $15 million in cash an equity. Xoom (Nasdaq:XOOM) announced its acquisition in a news release. Xoom had its initial public offering only a year ago, raising $101.2 million to bankroll continued expansion and development of new services. According to the release, BlueKite develops solutions and applications to improve the way people around the world pay their bills, and has a platform for cross-border…