Cleanup, cleanup .. removed libxml softlink for good cleanup to get 100%

Cleanup, cleanup ..
* configure.in Makefile.am: removed libxml softlink for good
* include/libxml/*.h *.c doc/Makefile.am: cleanup to get
  100% coverage by gtk-doc
Daniel
diff --git a/hash.c b/hash.c
index e061c11..ab01352 100644
--- a/hash.c
+++ b/hash.c
@@ -304,7 +304,7 @@
  *
  * Find the userdata specified by the name.
  *
- * Returns the a pointer to the userdata
+ * Returns the pointer to the userdata
  */
 void *
 xmlHashLookup(xmlHashTablePtr table, const xmlChar *name) {
@@ -319,7 +319,7 @@
  *
  * Find the userdata specified by the (name, name2) tuple.
  *
- * Returns the a pointer to the userdata
+ * Returns the pointer to the userdata
  */
 void *
 xmlHashLookup2(xmlHashTablePtr table, const xmlChar *name,
@@ -470,7 +470,7 @@
 }
 
 /**
- * xmlHashLookup:
+ * xmlHashLookup3:
  * @table: the hash table
  * @name: the name of the userdata
  * @name2: a second name of the userdata
@@ -615,6 +615,8 @@
  * xmlHashSize:
  * @table: the hash table
  *
+ * Query the number of element installed in the hash table.
+ *
  * Returns the number of elements in the hash table or
  * -1 in case of error
  */