Supply chain technology might not be as hot as it was a year ago. But it's still pretty warm. Case-in-point: Austin-based logistics tech startup Overhaul said March 7 it has raised $38 million in new equity funding, plus tens of millions in non-dilutive debt. Overhaul, which counts Microsoft among its customers, makes software that allows companies better visibility into their supply chain, from tracking shipments in real time to predicting estimated arrival times.