Make y2020 multinode!

Update the configs.  It all starts on a roboRIO, and forwards RobotState
between nodes.  Need to finalize deployment for pi's.

Change-Id: I2601419a94ca154e9663c916e9b8987d73ffa814
diff --git a/y2020/control_loops/drivetrain/localizer.cc b/y2020/control_loops/drivetrain/localizer.cc
index 5551179..4b11f6f 100644
--- a/y2020/control_loops/drivetrain/localizer.cc
+++ b/y2020/control_loops/drivetrain/localizer.cc
@@ -42,7 +42,7 @@
 
   image_fetchers_.emplace_back(
       event_loop_->MakeFetcher<frc971::vision::sift::ImageMatchResult>(
-          "/camera"));
+          "/pi1/camera"));
 
   target_selector_.set_has_target(false);
 }