Color Management: Updated False Color Look

Change to false color are based on artist feedback:

  * Even 2.5 EV differences down to -10 EV.
  * Even 2.167 EV differences up to +6.5 EV.
  * Slightly below middle grey biased toward cyan.
  * Slightly above middle grey biased toward yellow.
  * Converts to nonlinear luma for more accuracy.

release/datafiles/colormanagement/config.ocio

@@ -216,6 +216,7 @@ colorspaces:
     from_reference: !<GroupTransform>
         children:
             - !<ColorSpaceTransform> {src: Linear, dst: Filmic Log}
+            - !<MatrixTransform> {matrix: [0.2126729, 0.7151521, 0.0721750, 0, 0.2126729, 0.7151521, 0.0721750, 0, 0.2126729, 0.7151521, 0.0721750, 0, 0, 0, 0, 1]}
             - !<FileTransform> {src: filmic_false_color.spi3d, interpolation: best}
 looks:
   - !<Look>