Integrate and adapt "devector's", from Thaler Benedek's implementation.

test/flat_set_adaptor_test.cpp

@@ -13,6 +13,7 @@
 #include <boost/container/stable_vector.hpp>
 #include <boost/container/vector.hpp>
 #include <boost/container/deque.hpp>
+#include <boost/container/devector.hpp>
 #include <boost/static_assert.hpp>
 
 #include <boost/container/detail/container_or_allocator_rebind.hpp>
@@ -96,6 +97,14 @@ int main()
          std::cout << "Error in set_test<deque<int> >" << std::endl;
          return 1;
       }
+      if (0 != test::set_test
+         < GetSetContainer<devector<int> >::apply<int>::set_type
+         , MyStdSet
+         , GetSetContainer<devector<int> >::apply<int>::multiset_type
+         , MyStdMultiSet>()) {
+         std::cout << "Error in set_test<deque<int> >" << std::endl;
+         return 1;
+      }
    }
    {
       using namespace boost::container;