Trackpad: make Clip/Image editor respect the Zoom Axis setting.
> Required: D9402 Read the 'directionInvertedFromDevice' property and push it to the event system.
Make Clip/Image editor respect the Zoom Axis setting. **
Make zoom speed more consistent with View2D & 3D.
Correct handling of the Invert Zoom options.
//** The reason for this is that when you move diagonally (top-left <> bottom-right)
it is simultaneously an increase and a decrease, so it doesn't work very well.//