Cleanup after migration of Boost.Variant to main CVS.

svn path=/sandbox/boost/aligned_storage.hpp; revision=1529
Updated.

svn path=/sandbox/boost/type_traits/; revision=1719
Borland workaround.

svn path=/sandbox/boost/type_traits/; revision=1740
MSVC6 workaround.

svn path=/sandbox/boost/type_traits/; revision=1741
Minor cleanup.

svn path=/sandbox/boost/type_traits/; revision=1742
Fix eol-style and mime-types

svn path=/sandbox/boost/type_traits/; revision=7564