some cleanup and trial for the upcoming 1.1.0 release this release removes

* Makefile.am configure.in libxslt.spec.in doc/libxslt-api.xml
  libxslt/xslt.h libxslt/xsltwin32config.h: some cleanup and trial
  for the upcoming 1.1.0 release
* breakpoint/*: this release removes the deprecated breakpoint library
Daniel