Ladder, torch and redstone torch textures are darker

From snapshot 14w25b to snapshot 14w33c ladder, torch and redstone torch texture are darker.
Bug is still in snapshot 14w25b, 14w26c, 14w27b, 14w28b, 14w29b, 14w30c, 14w31a, 14w32d, 14w33c, 14w34a and 14w34b.