Silence "error: there are no arguments to 'aligned_alloc' that depend
on a template parameter, so a declaration of 'aligned_alloc' must be
available"
* OMPStream.cpp: #include <cstdlib>.
* RAJAStream.cpp: Likewise.
This allows each model to initialise their arrays with a parallel
approach, which yields the first touch required for good performance
on NUMA architectures.
Using integers for maths gets unstable past 38 interations even
in double precision. Using the original values/10 is safe up to
the default 100 iterations.
