Added initial libusb driver.  This needs to be modified to build under GYP and with AOS.
diff --git a/gyro_board/src/libusb-driver/thread.h b/gyro_board/src/libusb-driver/thread.h
new file mode 100644
index 0000000..1e94777
--- /dev/null
+++ b/gyro_board/src/libusb-driver/thread.h
@@ -0,0 +1,29 @@
+#ifndef THREAD_H_
+#define THREAD_H_
+
+#include <sys/socket.h>
+#include <linux/can.h>
+#include <boost/thread/locks.hpp>
+#include <boost/thread.hpp>
+
+class Thread {
+ public:
+  // Constructer initializes terminate to false.
+  Thread() : should_terminate_(false) {}
+
+  // Terminate the thread soon.
+  void Terminate();
+
+ protected:
+  // Helper method to atomically read the should_terminate_ boolean.
+  bool should_run();
+
+ private:
+  // Stores whether or not the thread has been asked to quit.
+  // TODO(aschuh): This really should be a Notification...
+  bool should_terminate_;
+  // Mutex to protect should_terminate.
+  boost::mutex terminate_mutex_;
+};
+
+#endif  // THREAD_H_