Initial checkin of new version of Boost.Unordered.

- More template use, less preprocessor use.
 - Removed some of the Visual C++ 6 workarounds.
 - Reduced memory use of the main object.
 - Split into smaller headers.

[SVN r55878]

test/unordered/move_tests.cpp

@@ -119,7 +119,7 @@ namespace move_tests
             BOOST_TEST(y.max_load_factor() == 2.0); // Not necessarily required.
             test::check_equivalent_keys(y);
         }
-
+/*
         {
             test::random_values<T> v(25, generator);
             T y(create(v, count, hf, eq, al, 1.0), al);
@@ -137,7 +137,7 @@ namespace move_tests
             BOOST_TEST(y.max_load_factor() == 1.0); // Not necessarily required.
             test::check_equivalent_keys(y);
         }
-    }
+*/    }
 
     boost::unordered_set<test::object, test::hash, test::equal_to, test::allocator<test::object> >* test_set;
     boost::unordered_multiset<test::object, test::hash, test::equal_to, test::allocator<test::object> >* test_multiset;