Fix inspection report issues.

[SVN r67728]
Document the restrictions on is_virtual_base_of.
Refs #3730.

[SVN r67912]
Document the restrictions on is_virtual_base_of.
Refs #3730.

[SVN r67913]
Fix comon_type to actually work when typeof isn't in use.
Applies fixes from Vicente Botet.

[SVN r68040]
Don't try and redefine macros that are already set.

[SVN r68095]
Fix PDF name and PDF index generation.

[SVN r68284]
Fix non-ASCII character.
Fixes #5099.

[SVN r68691]
Fix PDF build from within boost-root/doc/pdf.

[SVN r69512]
Change is_convertible to use C++0x behaviour where possible.
Change is_converible to use MSVC __is_convertible intrinsic.
Fixes #5271.
Fixes #4530.

[SVN r69822]
Update type_traits tests to reflect C++0x.
Make better/simpler use of C++0x intrinsics where available.
Change a few traits to C++0x behaviour.
Update docs to reflect current intrinsic availability.

[SVN r70057]
Don't test msvc bug case for versions of msvc that don't support the fix.

[SVN r70203]
Fix up type_traits intrinsic support when using the Intel compiler.
Suppress quite a few Intel-12.0 warnings.

[SVN r70221]
Fixes for MSVC compilers confused with namespace issues. 

[SVN r70662]
Fix misc typos and regenerate docs.
Fixes #5457.
Fixes #5458.
Fixes #5459.
Fixes #5460.
Fixes #5461.

[SVN r71222]
Fix remove pointer so it works for cv-qualified function pointers in VC-10 (compiler bug workaround).
Fixes #5484.

[SVN r71378]
Disable some embedded win32 warnings.

[SVN r71394]
Fix flags for type_with_alignment test on gcc-4.4 (won't compile due to
uninitialized warning).



[SVN r72279]
Clang 3.0+ supports gcc-style type trait intrinsics.



[SVN r72280]
Revert support for clang 3.0 intrinsics in type traits.

As dicussed in:

http://lists.boost.org/Archives/boost/2011/06/182844.php


[SVN r72725]
Update docs to use latest auto-index in Trunk.

[SVN r72975]