These files install the minimal prerequisites for the VGS_Datasmith plug-in.

More info here:
    https://docs.unrealengine.com/en-US/Basics/RecommendedSpecifications/index.html

The exe file linked to from the above page contains 100MB of stuff that we mostly don't need. This covers the two items needed for the Datasmith plug-in.
If more requirements are added or discovered we may have to add additional .cab files.
