remove gimmicky card transparency that is specified via the VALUE_POPUP_OPACITY theme setting and which is applied to the card preview during game play.
- Added sub-tabs to Gameplay tab. More room to re-arrange settings.
- Relocated gameplay-related settings from General tab.
- Replaced ugly group UI with simple bold caption.
- Increased area available to help panel.
Merge UI updates
enable asserts during debug run
merge UI updates