ENH: Update Autoscoper

[jcfr]

Highlights:

• Add support 16 and 32-bit radiograph
• Add support for toggling DRR visibility using python or MatLab client

List of changes:

$ git shortlog 644473784..48fcab973 --no-merges
Anthony Lombardi (4):
      ENH: Add support for 16 and 32-bit radiograph images
      BUG: Ensure CUDA RayCaster is sets visible to true by default
      ENH: Socket control drr visibility toggle
      ENH: Generalize background image calculations to support 16/32-bit radiographs (#245)

Related Autoscoper pull requests:

• https://github.com/BrownBiomechanics/Autoscoper/pull/76
• https://github.com/BrownBiomechanics/Autoscoper/pull/245
• https://github.com/BrownBiomechanics/Autoscoper/pull/248
• https://github.com/BrownBiomechanics/Autoscoper/pull/251