Added the parts of boost which we need to access shared_ptr and weak_ptr. This will allow for improved memory management of large volumes.

library/include/boost/config/stdlib/vacpp.hpp

@@ -0,0 +1,19 @@
+//  (C) Copyright John Maddock 2001 - 2002. 
+//  Use, modification and distribution are subject to 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.
+
+#if __IBMCPP__ <= 501
+#  define BOOST_NO_STD_ALLOCATOR
+#endif
+
+#define BOOST_HAS_MACRO_USE_FACET
+#define BOOST_NO_STD_MESSAGES
+#define BOOST_NO_STD_UNORDERED
+
+#define BOOST_STDLIB "Visual Age default standard library"
+
+
+