Cary-based software firm Zift Solutions has added $70 million to its coffers. CEO Gordon Rapkin said the move, announced Monday in a press release, makes the round's lead investor, Investcorp Technology Partners, Zift's majority backer. That's as the previous principal investors are still stakeholders - "this is a new investment," Rapkin said in an interview. Rapkin said the raise should give the company a runway to profitability. Zift was introduced to ITP through Atlas Technology...