[[ RefactorGraphics ]] fix bitmap -> indexed conversion crash
Revert "[[ RefactorResIndependence ]] scale iOS touch events & stack rendering"

This reverts commit ee1338c99d056fc2a936c398f9ae87d6ca801b7e.
Merge branch 'refactor-graphics' into refactor-resolution-independence
[[ ResIndependence ]] take stack snapshots at the device resolution
[[ ResIndependence ]] rework iOS scaling to work automatically (and respect iphoneUseDeviceResolution setting)