moved string and UTF8 routines out of parser.c and encoding.c into a new

* encoding.c, parser.c, xmlstring.c, Makefile.am,
  include/libxml/Makefile.am, include/libxml/catalog.c,
  include/libxml/chvalid.h, include/libxml/encoding.h,
  include/libxml/parser.h, include/libxml/relaxng.h,
  include/libxml/tree.h, include/libxml/xmlwriter.h,
  include/libxml/xmlstring.h:
  moved string and UTF8 routines out of parser.c and encoding.c
  into a new module xmlstring.c with include file
  include/libxml/xmlstring.h mostly using patches from Reid
  Spencer.  Since xmlChar now defined in xmlstring.h, several
  include files needed to have a #include added for safety.
* doc/apibuild.py: added some additional sorting for various
  references displayed in the APIxxx.html files.  Rebuilt the
  docs, and also added new file for xmlstring module.
* configure.in: small addition to help my testing; no effect on
  normal usage.
* doc/search.php: added $_GET[query] so that persistent globals
  can be disabled (for recent versions of PHP)
diff --git a/configure.in b/configure.in
index 392c597..a3d1f57 100644
--- a/configure.in
+++ b/configure.in
@@ -419,7 +419,8 @@
 dnl (-Wunreachable-code)
 dnl
 if [[ "${LOGNAME}" = "veillard" -a "`pwd`" = "/u/veillard/XML" ]] || \
-   [[ "${LOGNAME}" = "bill" -a "`pwd`" = "/home/bill/gnomecvs/xmltest" ]]
+   [[ "${LOGNAME}" = "bill" -a "`pwd`" = "/home/bill/gnomecvs/xmltest" ]] || \
+   [[ "${LOGNAME}" = "bill" -a "`pwd`" = "/home/bill/gnomecvs/xmlnew" ]]
    then
     if test "$with_minimum" != "yes"
     then