preparing a beta3 solving the ABI problems make sure the global variables

* configure.in: preparing a beta3 solving the ABI problems
* globals.c parser.c parserInternals.c testHTML.c HTMLparser.c SAX.c
  include/libxml/globals.h include/libxml/SAX.h: make sure the
  global variables for the default SAX handler are V1 ones to
  avoid ABI compat problems.
* xmlreader.c: cleanup of uneeded code
* hash.c: fix a comment
Daniel
diff --git a/configure.in b/configure.in
index e8de6d0..320784d 100644
--- a/configure.in
+++ b/configure.in
@@ -7,7 +7,7 @@
 LIBXML_MAJOR_VERSION=2
 LIBXML_MINOR_VERSION=6
 LIBXML_MICRO_VERSION=0
-LIBXML_MICRO_VERSION_SUFFIX=beta2
+LIBXML_MICRO_VERSION_SUFFIX=beta3
 LIBXML_VERSION=$LIBXML_MAJOR_VERSION.$LIBXML_MINOR_VERSION.$LIBXML_MICRO_VERSION$LIBXML_MICRO_VERSION_SUFFIX
 LIBXML_VERSION_INFO=`expr $LIBXML_MAJOR_VERSION + $LIBXML_MINOR_VERSION`:$LIBXML_MICRO_VERSION:$LIBXML_MINOR_VERSION