Convert aos over to flatbuffers

Everything builds, and all the tests pass.  I suspect that some entries
are missing from the config files, but those will be found pretty
quickly on startup.

There is no logging or live introspection of queue messages.

Change-Id: I496ee01ed68f202c7851bed7e8786cee30df29f5
diff --git a/frc971/wpilib/loop_output_handler.h b/frc971/wpilib/loop_output_handler.h
index 81baa68..a697339 100644
--- a/frc971/wpilib/loop_output_handler.h
+++ b/frc971/wpilib/loop_output_handler.h
@@ -4,8 +4,7 @@
 #include <atomic>
 #include <chrono>
 
-#include "aos/events/event-loop.h"
-#include "aos/robot_state/robot_state.q.h"
+#include "aos/events/event_loop.h"
 #include "aos/scoped/scoped_fd.h"
 #include "aos/time/time.h"
 #include "aos/util/log_interval.h"