dynamic_bitset: ported revisions 49433, 49586 from trunk
merge of cmake build files from trunk per beman
Use enum constants rather than local variables for integral constants. Should fix dynamic_bitset failures on GCC 4.3.x
Merge dynamic bitset fixes for gcc 4.3.3.

Merged revisions 52879-52881,53050 via svnmerge from 
https://svn.boost.org/svn/boost/trunk

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  r52879 | hkaiser | 2009-05-10 17:52:14 +0100 (Sun, 10 May 2009) | 1 line
  
  Applying patch fixing problem on certain patch levels for gcc.4.3.3/Ubuntu
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  r52880 | hkaiser | 2009-05-10 17:55:07 +0100 (Sun, 10 May 2009) | 1 line
  
  Fixing the fix by taking into account __GNUC_PATCHLEVEL__ as well
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  r52881 | hkaiser | 2009-05-10 17:59:27 +0100 (Sun, 10 May 2009) | 1 line
  
  Minor comment edit
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  r53050 | danieljames | 2009-05-16 15:58:33 +0100 (Sat, 16 May 2009) | 13 lines
  
  Merge dynamic bitset from release.
  
  I think the recent changes in trunk and release were for the same problem. But
  I'm not sure so I've merged them together. Hopefully, the release branch might
  fix the Intel C++ errors as well.
  
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  r52960 | dgregor | 2009-05-13 07:11:03 +0100 (Wed, 13 May 2009) | 1 line
  
  Use enum constants rather than local variables for integral constants. Should fix dynamic_bitset failures on GCC 4.3.x
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Add basic copyright/license to keep cmake out of the inspection report
rm cmake from the release branch before it goes out broken.  Policy dictates that you never commit to release, you commit to trunk and merge to release.
Merge dynamic_bitset from the trunk
Merge fixes to release; Fixes #5439