Merge error messages for old hash headers.
Merged revisions 49339-49341,49541 via svnmerge from
https://svn.boost.org/svn/boost/trunk
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r49339 | danieljames | 2008-10-15 11:25:07 +0100 (Wed, 15 Oct 2008) | 1 line
Note about change in boost 1.37.
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r49340 | danieljames | 2008-10-15 11:26:55 +0100 (Wed, 15 Oct 2008) | 4 lines
Changed the warnings in the deprecated headers from 1.34.0 to errors. These
will be removed in a future version of Boost (probably 1.39.0).
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r49341 | danieljames | 2008-10-15 11:34:15 +0100 (Wed, 15 Oct 2008) | 2 lines
Add note about changes to deprecated headers. Refs #2412.
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r49541 | danieljames | 2008-11-02 22:32:00 +0000 (Sun, 02 Nov 2008) | 3 lines
Slightly more accurated comment - now that the headers cause errors, they've
moved past the deprecation stage (I think).
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