if sax1 is used and input is a file use the old API xmlParseFile()

* xmllint.c: if sax1 is used and input is a file use the old
  API xmlParseFile()
* xmlschemas.c: cleanups
* doc/* testapi.c elfgcchack.h: rebuilt to add python bindings
  for the new functions in Schemas.
Daniel
33 files changed