Options for Showing Proxy when Original Image is available, issue 787

During deck builder
Menu Option / F12 toggles between showing original and proxy

During play
Three options in the Options Menu that affects how zoom works when you mouseover a card and the original image is available
1: Show Original - Existing functionality, shows original when available and proxy if not
2: Show Proxy alongside original - Will show both proxy and original side by side
3: Show Proxy when the CTRL key is held - Will show proxy when holding the CTRL key, otherwise it will show original