Changes:
- Screenshot can be saved to a PNG file
- Added minimize button to title bar
- Added option to start HD Tune minimized
- Added option to run HD Tune each time Windows is started
- Added option to show temperature in both Celsius and Fahrenheit
- Warning message shows up if a critical hard disk temperature is reached
- Info: report SATA version, Native Command Queuing (NCQ), Interface Power Management
- Health: improved display and failure prediction
