* libxslt/xsltwin32config.h[.in]: added configuration/version
  informations for Windows/MSC
* libxslt/libxslt.h libxslt/*.c: internal header to centralize
  includes switches
* libxslt/Makefile.am: added libxslt.h and xsltwin32config.h[.in]
* libxslt/*.[ch] libxslt/*.in: quite a bit of cleanup, especially
  the email addresses
* AUTHORS: added William
Daniel