Move headers into top level of container_hash directory

test/extensions_hpp_test.cpp

@@ -3,14 +3,14 @@
 // 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)
 
-// Check that boost/container_hash/hash/extensions.hpp works okay.
+// Check that boost/container_hash/extensions.hpp works okay.
 //
-// It probably should be in boost/container_hash/hash/detail, but since it isn't it
+// It probably should be in boost/container_hash/detail, but since it isn't it
 // should work.
 
 #include "./config.hpp"
 
-#include <boost/container_hash/hash/extensions.hpp>
+#include <boost/container_hash/extensions.hpp>
 
 int main() {
     int x[2] = { 2, 3 };

test/hash_float_test.hpp

@@ -14,8 +14,8 @@
 #include <boost/core/lightweight_test.hpp>
 
 #include <cmath>
-#include <boost/container_hash/hash/detail/limits.hpp>
-#include <boost/container_hash/hash/detail/float_functions.hpp>
+#include <boost/container_hash/detail/limits.hpp>
+#include <boost/container_hash/detail/float_functions.hpp>
 #include <boost/config/workaround.hpp>
 
 #include <iostream>

test/hash_number_test.cpp

@@ -14,7 +14,7 @@
 #include <iostream>
 #include <boost/core/lightweight_test.hpp>
 
-#include <boost/container_hash/hash/detail/limits.hpp>
+#include <boost/container_hash/detail/limits.hpp>
 #include <boost/core/enable_if.hpp>
 
 #include "./compile_time.hpp"