Clean up the realtime priorities of all the robots etc

Change-Id: Ie19ea31ec7b19d9660230477e5f77de9edc5eb59
diff --git a/y2012/joystick_reader.cc b/y2012/joystick_reader.cc
index 0046069..b1af0bb 100644
--- a/y2012/joystick_reader.cc
+++ b/y2012/joystick_reader.cc
@@ -143,7 +143,7 @@
 }  // namespace y2012
 
 int main() {
-  ::aos::Init();
+  ::aos::Init(-1);
   ::y2012::input::joysticks::Reader reader;
   reader.Run();
   ::aos::Cleanup();