[C++-sig] "bpl_utils" reorganized

[David Abrahams]

From: "Ralf W. Grosse-Kunstleve" <rwgk at yahoo.com>

> boost (wasn't there when I started the array_family).
> David A.: is the boost alignment calculator connected
> to the meta-programming library? If not, is it "stable?"

boost::alignof<T> has been available and stable as part of the type traits
library for at least a couple of releases.

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           David Abrahams * Boost Consulting
dave at boost-consulting.com * http://www.boost-consulting.com