Added support for WinAPI version specification.

git-svn-id: http://svn.boost.org/svn/boost/trunk@86307 b8fc166d-592f-0410-95f2-cb63ce0dd405
Removed BOOST_SYNC_USE_WINAPI_VERSION and replaced its use with BOOST_USE_WINAPI_VERSION.

git-svn-id: http://svn.boost.org/svn/boost/trunk@86309 b8fc166d-592f-0410-95f2-cb63ce0dd405
Remove tabs

git-svn-id: http://svn.boost.org/svn/boost/trunk@86310 b8fc166d-592f-0410-95f2-cb63ce0dd405
Updated license and copyright

git-svn-id: http://svn.boost.org/svn/boost/trunk@86311 b8fc166d-592f-0410-95f2-cb63ce0dd405