A7s (II) Arrilook LUTs for Slog2

Slog2_Arrilook_S: to match Arri in preset

Slog2_Arrilook_S_1stop: pulls levels down one stop, for when you want to overexpose Slog2 in camera for lower noise levels.

Slog2_Arrilook_S_2stop: pulls levels down two stop, for when you want to overexpose Slog2 in camera for lower noise levels.

Slog2_Arrilook_balanced: More traditionally balanced versions