trivial: When doing TakeReadingArray only do SetIntegralTime on v1 hardware
trivial: CodingStyle fixups
trivial: Don't show points on the graph outside the boxed area
trivial: Show milliseconds on the graph widget where appropriate
trivial: Use __attribute__(cleanup) for colorhug-cmd
trivial: Use __attribute__(cleanup) for colorhug-inhx32-to-bin
trivial: Use __attribute__(cleanup) for colorhug-ccmx
trivial: Use __attribute__(cleanup) for colorhug-flash
Add colorhug-refresh for measuring display latency and refresh rates