Merge some small documentation fixes from the doc branch, and mark some
previously merged changes as merged.
Merged revisions 44811,45129,45142,45154,45281-45282,45365 via svnmerge from
https://svn.boost.org/svn/boost/branches/doc
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r45129 | danieljames | 2008-05-05 12:36:50 +0100 (Mon, 05 May 2008) | 2 lines
Update navbar links in boostbook.
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r45282 | danieljames | 2008-05-11 14:15:31 +0100 (Sun, 11 May 2008) | 2 lines
Group functions in the hash header - requires Frank's free-function-group fix.
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r45365 | danieljames | 2008-05-14 21:39:00 +0100 (Wed, 14 May 2008) | 2 lines
Add boost.root to standalone hash documentation.
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