Added BOOST_NO_SFINAE config macro, removed internal version from

the iterator library


[SVN r21125]

test/config_info.cpp

@@ -909,6 +909,7 @@ void print_boost_macros()
    PRINT_MACRO(BOOST_NO_OPERATORS_IN_NAMESPACE);
    PRINT_MACRO(BOOST_NO_POINTER_TO_MEMBER_CONST);
    PRINT_MACRO(BOOST_NO_PRIVATE_IN_AGGREGATE);
+   PRINT_MACRO(BOOST_NO_SFINAE);
    PRINT_MACRO(BOOST_NO_SLIST);
    PRINT_MACRO(BOOST_NO_STD_ALLOCATOR);
    PRINT_MACRO(BOOST_NO_STD_DISTANCE);