Added 4 new death placeholders: %parkour_course_record_deaths_<course>% : death count of best time set for course %parkour_personal_best_deaths_<course>% : player's death count of personal best time for course %parkour_current_course_record_deaths% : death count of best time for current course %parkour_current_personal_best_deaths% : player's death count of best time on current course