[review] BOOST_SCOPE_EXIT review results

  Here are the review results for the Scope Exit library, submitted by
Alexander Nasonov.

  I would be remiss if I didn't begin these results with an apology and a
thank you. The review wizards are sincerely sorry that the result of this
review took so long to be presented, and very grateful that Alexander has
been so patient and according to a post on the forum has even been working
to improve the library in the interim when time allowed.

  The following people contributed to the review.

Kim Barrett, Steven Wantanabe, Oleg Abrosimov, Andrey Semashev, Peder Holt,
Johan Nilsson, Maxim Yanchenko, Pavel Vozenilek, Aaron LaFramboise, Ben
Kuppers, Goran Mitrovic, Tom Brinkman, Martin Wille, Joseph Gauterin, Matt
Gruenke, Dave Abrahams, Christian Holmquist, Mathais Gaunard, Michael
Marcin, Daniel Wallin, Zach Laine, Sid Sacek, Wang Yun, and Ilya Sokolov

  After carefully considering the review comments, I'm pleased to announce
that the Scope Exit library is accepted into Boost.

  As is almost always the case, there are some notes for improvement for
this library, and in this case there is even a suggestion for a substantial
future restructuring.

  Let's start with the big one first. As it is currently implemented,
SCOPE_EXIT suggests a method for creating a general closure mechanism as a
library. This is a useful enough idea that many of the reviewers strongly
encouraged Alexander to do it, and provided ideas for implementation
details. Alexander should continue to work on this, and when it is ready for