Workaround "interator incremented past the end" assertion in MSVC-8.0.


[SVN r33776]
Fix accesses to first element of an empty string.

Thanks to Olaf van der Spek for the report.


[SVN r33778]
Clarify special handling of vectors.


[SVN r33780]
If additional parser returns empty string as value, assume there's no value.


[SVN r33782]
Fix typos.

Thanks to Olaf van der Spek for the report!


[SVN r33784]
Note that variables_map is inherited from std::map, since BoostBook
"hides" that information.


[SVN r33786]
Make validation_error::what public, as it's public in std::exception.


[SVN r33969]
Make positional_options_description::add return reference to *this.


[SVN r33989]
Fix typo


[SVN r33990]
Fixed a dllimport/dllexport problem.


[SVN r34049]
Make intel happy


[SVN r35034]
Fix for Borland compilers.


[SVN r35652]
Add copyright, license


[SVN r35905]
Allow building of shared versions of some Boost.Test libraries.
Adjust tests to use always use static linking to Boost.Test, since
linking to the shared version requires test changes.

Patch from Juergen Hunold.


[SVN r35989]
Fix dynamic linking


[SVN r35991]
Merge fixed links from RC_1_34_0.


[SVN r36660]
Add missing include, to try to fix compilation on sun


[SVN r37005]
fix xincludes of doxygen-generated reference sections


[SVN r37571]
Fixed VC8 warnings about inconsistent dll export declarations.


[SVN r38099]
Fix typo. Closes #748


[SVN r38106]