Clean up the realtime priorities of all the robots etc

Change-Id: Ie19ea31ec7b19d9660230477e5f77de9edc5eb59
diff --git a/y2015/joystick_reader.cc b/y2015/joystick_reader.cc
index 3e43e35..f949c1a 100644
--- a/y2015/joystick_reader.cc
+++ b/y2015/joystick_reader.cc
@@ -550,7 +550,7 @@
 }  // namespace frc971
 
 int main() {
-  ::aos::Init();
+  ::aos::Init(-1);
   ::frc971::input::joysticks::Reader reader;
   reader.Run();
   ::aos::Cleanup();