[patch] Add byte-swapping support to save/load_view.hpp

[Don McCoy]

This patch utilizes the matlab byte-swapping functions to allow
load_view and save_view to work on big-endian platforms using data
written by little-endian systems (or vice-versa).  The test has been
expanded to cover the added functionality, however the default is such
that existing code will behave the same (i.e. bytes are not swapped when
read or written).

Ok to commit?

-- 
Don McCoy
don (at) CodeSourcery
(888) 776-0262 / (650) 331-3385, x712

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