It's been rough going for shares of the restaurant software specialist, but the stock is now on the upswing.Do you like to eat out? You might have noticed recently that more and more restaurants have shiny new hardware to take orders and accept payment, whether fast food or sit-down style.What you don't see is what's going on behind the scenes, and how the hardware is connected to software that automates most of a restaurant's operations. Places that use these automated platforms can run more efficiently an ...