Update Rope-Knocking Challenge - Fix challenge being stuck when leftmost hog drowns - Display custom taunts for knocked hogs - Stats screen now shows the actual relevant facts - Add simple scoring system - Minor message changes - More translation-friendly strings

foreach(dir
    British
    Classic
    Default
    Default_es
    Default_ru
    Default_uk
    HillBilly
    Mobster
    Pirate
    Robot
    Russian
    Singer
    Surfer
    )
    add_subdirectory(${dir})
endforeach(dir)