Sandia National Laboratories recently changed management from the
Sandia Corporation to the National Technology & Engineering Solutions
of Sandia, LLC (NTESS). The copyright statements need to be updated
accordingly.
Previously ArrayHandleReverse would only work if it was provided an explicit
users array to map too. But this doesn't need to be so, if a user wants to
start by constructing an ArrayHandleReverse we should allow that.
The side effect of this, is that some very tricky code in the DeviceAdapters
can be removed, that explicitly was added to allow output to ArrayHandleReverse
