[vector] ByteBuffer byte ordering

[John Rose]

On Apr 13, 2018, at 2:39 PM, Paul Sandoz <paul.sandoz at oracle.com> wrote:
> 
> I am unsure about the need for such explanatory in the reshape/rebracket, ok for now, can revisit later.

BTW, if a rebracket operation is given a byte-order parameter, then it becomes,
as a special case, a pure byte swap operator if the rebracketing is done
with the same lane size.