Checking in debug_view, some extra missing utils, and the y2016 target_sender code.

Change-Id: I241947265da8f332c39862f4d0ddcdc2d29c7b68
diff --git a/y2016/vision/stereo_geometry.h b/y2016/vision/stereo_geometry.h
index 93f3892..a758f1c 100644
--- a/y2016/vision/stereo_geometry.h
+++ b/y2016/vision/stereo_geometry.h
@@ -3,8 +3,8 @@
 
 #include <string>
 
-#include "aos/vision/math/vector.h"
 #include "aos/common/logging/logging.h"
+#include "aos/vision/math/vector.h"
 
 #include "y2016/vision/calibration.pb.h"