GASNet: Ensure the returned mem is aligned
GASNet: Ensure the returned mem is aligned

* dev/gasnet/gasnet.c (MALLOC_ALIGNMENT): #define.
  (register): Use it to return properly aligned memory.

zbeekman/opencoarrays,jerryd/opencoarrays,zbeekman/opencoarrays,sourceryinstitute/opencoarrays,sourceryinstitute/opencoarrays,zbeekman/opencoarrays,jerryd/opencoarrays,sourceryinstitute/opencoarrays,jerryd/opencoarrays