Changed to the MIT Licence updated the doc accordingly preparing 2.4.14

* Copyright Makefile.am README configure.in libxml.spec.in:
  Changed to the MIT Licence
* doc/FAQ.html doc/catalog.html doc/intro.html doc/xml.html
  doc/xmlio.html: updated the doc accordingly
* include/libxml/xmlwin32version.h configure.in: preparing
  2.4.14 release
* python/generator.py python/libxml.c python/libxml2-python-api.xml
  python/libxml2class.txt python/libxml_wrap.h python/types.c:
  fixed the const xmlChar * wrapper and generator, XPath extension
  functions now use the context as first argument
* python/tests/tstxpath.py python/tests/xpath.py
  python/tests/xpathext.py: Updated the tests accordingly
* tree.c: fixed bug #70067
Daniel

python/libxml2class.txt

@@ -374,6 +374,8 @@ Class catalog()
     resolveSystem()
     resolveURI()
 Class xpathParserContext()
+    # accessors
+    context()
 
     # functions from module xpathInternals
     xpathAddValues()
@@ -507,6 +509,13 @@ Class xmlAttr(xmlNode)
     freePropList()
     removeProp()
 Class xpathContext()
+    # accessors
+    contextDoc()
+    contextNode()
+    contextPosition()
+    contextSize()
+    function()
+    functionURI()
 
     # functions from module python
     registerXPathFunction()