Bring in the mockination work and Truss from old.

It's all a mess -- not in the new unified form and namespace.
I need to do a big cleanup pass.

Truss/mutex.h

@@ -0,0 +1,65 @@
+#pragma once
+
+#include <Alepha/Alepha.h>
+
+#include <Alepha/Truss/thread_common.h>
+
+#include <mutex>
+
+#include <boost/thread/mutex.hpp>
+#include <boost/thread/recursive_mutex.hpp>
+
+namespace Alepha::Hydrogen::Truss
+{
+	ALEPHA_BOOST_THREAD namespace BoostThread
+	{
+		using boost::mutex;
+
+		using boost::timed_mutex;
+		using boost::recursive_mutex;
+		using boost::recursive_timed_mutex;
+
+		using std::lock_guard;
+		using boost::unique_lock;
+
+		using boost::defer_lock_t;
+		using boost::try_to_lock_t;
+		using boost::adopt_lock_t;
+
+		using boost::defer_lock;
+		using boost::try_to_lock;
+		using boost::adopt_lock;
+
+		using std::once_flag;
+		using std::call_once;
+
+		using std::try_lock;
+		using std::lock;
+	}
+
+	ALEPHA_STD_THREAD namespace StdThread
+	{
+		using std::mutex;
+
+		using std::timed_mutex;
+		using std::recursive_mutex;
+		using std::recursive_timed_mutex;
+
+		using std::lock_guard;
+		using std::unique_lock;
+
+		using std::defer_lock_t;
+		using std::try_to_lock_t;
+		using std::adopt_lock_t;
+
+		using std::defer_lock;
+		using std::try_to_lock;
+		using std::adopt_lock;
+
+		using std::once_flag;
+		using std::call_once;
+
+		using std::try_lock;
+		using std::lock;
+	}
+}