Add LV unit to Simulation/Rotation property.

This makes working with different bit depth much easier.

This should now be handled by the application code (e.g. CamActor).

This eliminates the dependency between ImgSrcConfig and ImgSrcGUI

Causing dependency issues otherwise. Closes #7.

ImageSource Simulation SHS: Adapted to use base-rotation and skew-correction of Common:Ellipse.lvclass

Zernike attribute was a scalar and not a 1D array.

config.