Fix the image directory for standalone docs.

[SVN r43966]
Fix the unordered stylesheet.

[SVN r43971]
Use Boost.Test's minimal test library.

[SVN r44420]
Update the changelog.

[SVN r45156]
Merge latest changes from trunk - Borland fixes + improved documentation.

Merged revisions 45575-45707 via svnmerge from 
https://svn.boost.org/svn/boost/trunk


[SVN r45708]