Added boost header

test/external/boost/signals2.hpp

@@ -0,0 +1,23 @@
+//  A convenience header for Boost.Signals2, should pull in everying in the library.
+
+//  Copyright (c) 2008-2009 Frank Mori Hess
+
+// Use, modification and
+// distribution is 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)
+
+#ifndef BOOST_SIGNALS2_HPP
+#define BOOST_SIGNALS2_HPP
+
+// For documentation, see http://www.boost.org/libs/signals2/
+
+#include <boost/signals2/deconstruct.hpp>
+#include <boost/signals2/deconstruct_ptr.hpp>
+#include <boost/signals2/dummy_mutex.hpp>
+#include <boost/signals2/last_value.hpp>
+#include <boost/signals2/signal.hpp>
+#include <boost/signals2/signal_type.hpp>
+#include <boost/signals2/shared_connection_block.hpp>
+
+#endif