Reviewed by Maciej.

        - http://bugzilla.opendarwin.org/show_bug.cgi?id=7091
        Autogenerate even more.

        * JSCore.cpp:
        Add new generated files.
        
        * bindings/scripts/CodeGeneratorJS.pm:
        Add "IsIndex" extended attribute for parameters. Any parameter that is "unsigned long" 
        and has this attribute will be checked to make sure that it's not < 0. If it is, an index size error
        exception will be thrown.
        
        * khtml/ecma/kjs_dom.cpp:
        (KJS::toAttr):
        Use JSAttr::info.
        
        (KJS::getDOMNode):
        Use new constructors.
        
        * khtml/ecma/kjs_dom.h:
        Remove classes that are generated now.
        
        * khtml/xml/Attr.idl: Added.
        * khtml/xml/CharacterData.idl: Added.
        * khtml/xml/Entity.idl: Added.
        * khtml/xml/Notation.idl: Added.
        * khtml/xml/ProcessingInstruction.idl: Added.
        * khtml/xml/Text.idl: Added.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@12591 268f45cc-cd09-0410-ab3c-d52691b4dbfc