Merge quickbook and hash changelogs. Tweak gcc detection in container_fwd.hpp

Merged revisions 52084,52245-52246,52304,52320,52323 via svnmerge from 
https://svn.boost.org/svn/boost/trunk

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  r52084 | danieljames | 2009-03-31 20:43:58 +0100 (Tue, 31 Mar 2009) | 1 line
  
  Changelog for unordered and hash.
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  r52245 | danieljames | 2009-04-08 06:51:31 +0100 (Wed, 08 Apr 2009) | 5 lines
  
  Detect gcc stdlib for gcc 4.0.1.
  
  For some reason the normal macros aren't defined for the standard
  library that comes with gcc 4.0.1 (although maybe just on BSDs?). So try
  to detect the library for that compiler.
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  r52246 | danieljames | 2009-04-08 11:56:22 +0100 (Wed, 08 Apr 2009) | 7 lines
  
  Include <utility> for some versions of gcc's library.
  
  Sometimes gcc's <cstddef> doesn't define the C++ macros, so check for it
  and include <utility> in that case. Also remove a workaround from
  container_fwd.hpp
  
  Fixes #2924.
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  r52304 | danieljames | 2009-04-10 20:25:32 +0100 (Fri, 10 Apr 2009) | 4 lines
  
  Don't use debug containers on darwin.
  
  I'm getting errors from the darwin 4.2 debug containers which appear to
  a problem with its implementation.
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  r52320 | danieljames | 2009-04-11 08:53:59 +0100 (Sat, 11 Apr 2009) | 1 line
  
  Don't need to include utility now that select_stdlib has been fixed.
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  r52323 | danieljames | 2009-04-11 09:26:20 +0100 (Sat, 11 Apr 2009) | 1 line
  
  Also don't need to check for _GLIBCXX_CSTDDEF.
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[SVN r52324]

doc/changes.qbk

@@ -62,4 +62,11 @@ First official release.
 * Add support for C++0x initializer lists where they're available (currently
   only g++ 4.4 in C++0x mode).
 
+[h2 Boost 1.39.0]
+
+* [@https://svn.boost.org/trac/boost/ticket/2756 Ticket 2756]: Avoid a warning
+  on Visual C++ 2009.
+* Some other minor internal changes to the implementation, tests and
+  documentation.
+
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