Kadro Solutions is tripling its space, having just signed a 7-year lease term for 701 Corporate Center off of N.C. 54 in Raleigh. And plans are in the works to eventually double its headcount. Kadro, an e-commerce-focused software firm that counts eBay and Bronto among its partners, is currently at 40 employees. Its new space could house up to 85, says Rick Johnson, president and CEO. But that doesn't mean they'll go on an eminent hiring spree. Right now, the focus is on software projects. But…