Interface improvements, several minor bug fixes.

Visual improvements to High-Contrast mode for better accessibility. Improved accuracy of graph when cooking from frozen. Minor interface improvements.

New food types: Venison, Veal, quail.
Many adjustments to food parameters.
Many small interface improvements.

• New setting for Cook-Chill Process. Enforces pasteurization, and adds Listeria to the pathogen list
• Improved the Cook-From-Frozen model
• Multiple under-the-hood improvements