Add settings.ini setting and hwengine param to disable holiday silliness (hat changes, etc.) settings.ini: In section [misc], add "holidaySilliness=false" hwengine: Add --no-holiday-silliness to command-line

[patterns]
**.h = native
**.c = native
**.cpp = native
**.lua = native
**.txt = native
**.pas = native
**.inc = native
**.hs = native