This commit was manufactured by cvs2svn to create branch 'conversion'.

[SVN r7663]
added is_convertible and alignment_of


[SVN r7664]
preview of updated version with is_convertible and alignment_of added.


[SVN r7667]
type traist update (first release)


[SVN r7673]
Boost.Log merged to trunk.

[SVN r83860]