Rename the extracted boost subdirectory to ndnboost
diff --git a/ndnboost/preprocessor/iteration/detail/bounds/lower4.hpp b/ndnboost/preprocessor/iteration/detail/bounds/lower4.hpp
new file mode 100644
index 0000000..4617e5c
--- /dev/null
+++ b/ndnboost/preprocessor/iteration/detail/bounds/lower4.hpp
@@ -0,0 +1,99 @@
+# /* **************************************************************************
+# * *
+# * (C) Copyright Paul Mensonides 2002.
+# * Distributed under the Boost Software License, Version 1.0. (See
+# * accompanying file LICENSE_1_0.txt or copy at
+# * http://www.boost.org/LICENSE_1_0.txt)
+# * *
+# ************************************************************************** */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# include <ndnboost/preprocessor/slot/detail/shared.hpp>
+#
+# undef BOOST_PP_ITERATION_START_4
+#
+# undef BOOST_PP_ITERATION_START_4_DIGIT_1
+# undef BOOST_PP_ITERATION_START_4_DIGIT_2
+# undef BOOST_PP_ITERATION_START_4_DIGIT_3
+# undef BOOST_PP_ITERATION_START_4_DIGIT_4
+# undef BOOST_PP_ITERATION_START_4_DIGIT_5
+# undef BOOST_PP_ITERATION_START_4_DIGIT_6
+# undef BOOST_PP_ITERATION_START_4_DIGIT_7
+# undef BOOST_PP_ITERATION_START_4_DIGIT_8
+# undef BOOST_PP_ITERATION_START_4_DIGIT_9
+# undef BOOST_PP_ITERATION_START_4_DIGIT_10
+#
+# if BOOST_PP_SLOT_TEMP_3 == 0
+# define BOOST_PP_ITERATION_START_4_DIGIT_3 0
+# elif BOOST_PP_SLOT_TEMP_3 == 1
+# define BOOST_PP_ITERATION_START_4_DIGIT_3 1
+# elif BOOST_PP_SLOT_TEMP_3 == 2
+# define BOOST_PP_ITERATION_START_4_DIGIT_3 2
+# elif BOOST_PP_SLOT_TEMP_3 == 3
+# define BOOST_PP_ITERATION_START_4_DIGIT_3 3
+# elif BOOST_PP_SLOT_TEMP_3 == 4
+# define BOOST_PP_ITERATION_START_4_DIGIT_3 4
+# elif BOOST_PP_SLOT_TEMP_3 == 5
+# define BOOST_PP_ITERATION_START_4_DIGIT_3 5
+# elif BOOST_PP_SLOT_TEMP_3 == 6
+# define BOOST_PP_ITERATION_START_4_DIGIT_3 6
+# elif BOOST_PP_SLOT_TEMP_3 == 7
+# define BOOST_PP_ITERATION_START_4_DIGIT_3 7
+# elif BOOST_PP_SLOT_TEMP_3 == 8
+# define BOOST_PP_ITERATION_START_4_DIGIT_3 8
+# elif BOOST_PP_SLOT_TEMP_3 == 9
+# define BOOST_PP_ITERATION_START_4_DIGIT_3 9
+# endif
+#
+# if BOOST_PP_SLOT_TEMP_2 == 0
+# define BOOST_PP_ITERATION_START_4_DIGIT_2 0
+# elif BOOST_PP_SLOT_TEMP_2 == 1
+# define BOOST_PP_ITERATION_START_4_DIGIT_2 1
+# elif BOOST_PP_SLOT_TEMP_2 == 2
+# define BOOST_PP_ITERATION_START_4_DIGIT_2 2
+# elif BOOST_PP_SLOT_TEMP_2 == 3
+# define BOOST_PP_ITERATION_START_4_DIGIT_2 3
+# elif BOOST_PP_SLOT_TEMP_2 == 4
+# define BOOST_PP_ITERATION_START_4_DIGIT_2 4
+# elif BOOST_PP_SLOT_TEMP_2 == 5
+# define BOOST_PP_ITERATION_START_4_DIGIT_2 5
+# elif BOOST_PP_SLOT_TEMP_2 == 6
+# define BOOST_PP_ITERATION_START_4_DIGIT_2 6
+# elif BOOST_PP_SLOT_TEMP_2 == 7
+# define BOOST_PP_ITERATION_START_4_DIGIT_2 7
+# elif BOOST_PP_SLOT_TEMP_2 == 8
+# define BOOST_PP_ITERATION_START_4_DIGIT_2 8
+# elif BOOST_PP_SLOT_TEMP_2 == 9
+# define BOOST_PP_ITERATION_START_4_DIGIT_2 9
+# endif
+#
+# if BOOST_PP_SLOT_TEMP_1 == 0
+# define BOOST_PP_ITERATION_START_4_DIGIT_1 0
+# elif BOOST_PP_SLOT_TEMP_1 == 1
+# define BOOST_PP_ITERATION_START_4_DIGIT_1 1
+# elif BOOST_PP_SLOT_TEMP_1 == 2
+# define BOOST_PP_ITERATION_START_4_DIGIT_1 2
+# elif BOOST_PP_SLOT_TEMP_1 == 3
+# define BOOST_PP_ITERATION_START_4_DIGIT_1 3
+# elif BOOST_PP_SLOT_TEMP_1 == 4
+# define BOOST_PP_ITERATION_START_4_DIGIT_1 4
+# elif BOOST_PP_SLOT_TEMP_1 == 5
+# define BOOST_PP_ITERATION_START_4_DIGIT_1 5
+# elif BOOST_PP_SLOT_TEMP_1 == 6
+# define BOOST_PP_ITERATION_START_4_DIGIT_1 6
+# elif BOOST_PP_SLOT_TEMP_1 == 7
+# define BOOST_PP_ITERATION_START_4_DIGIT_1 7
+# elif BOOST_PP_SLOT_TEMP_1 == 8
+# define BOOST_PP_ITERATION_START_4_DIGIT_1 8
+# elif BOOST_PP_SLOT_TEMP_1 == 9
+# define BOOST_PP_ITERATION_START_4_DIGIT_1 9
+# endif
+#
+# if BOOST_PP_ITERATION_START_4_DIGIT_3
+# define BOOST_PP_ITERATION_START_4 BOOST_PP_SLOT_CC_3(BOOST_PP_ITERATION_START_4_DIGIT_3, BOOST_PP_ITERATION_START_4_DIGIT_2, BOOST_PP_ITERATION_START_4_DIGIT_1)
+# elif BOOST_PP_ITERATION_START_4_DIGIT_2
+# define BOOST_PP_ITERATION_START_4 BOOST_PP_SLOT_CC_2(BOOST_PP_ITERATION_START_4_DIGIT_2, BOOST_PP_ITERATION_START_4_DIGIT_1)
+# else
+# define BOOST_PP_ITERATION_START_4 BOOST_PP_ITERATION_START_4_DIGIT_1
+# endif