* configure.in: get rid of the readline and libhistory
  dependancies by default, release 2.4.1 with IA64 fix
* nanohttp.c tree.c xmlIO.c include/libxml/nanohttp.h
  include/libxml/tree.h include/libxml/xmlIO.h: incorporated
  John Kroll fixes to allow saving to HTTP via PUT (or
  POST of needed).
* doc/html/*.html: regenerated the docs
Daniel