Split out superstructure into arm and intake state feedback loops.

This is more code for the structure of the superstructure control loop.

Change-Id: I4abc83b04c57174ce087be0932e777cafdce8373
diff --git a/y2016/BUILD b/y2016/BUILD
index 19f30e0..1d3cd33 100644
--- a/y2016/BUILD
+++ b/y2016/BUILD
@@ -16,6 +16,7 @@
     '//aos/common:mutex',
     '//frc971/control_loops:state_feedback_loop',
     '//frc971:shifter_hall_effect',
+    '//frc971:constants',
     '//y2016/control_loops/drivetrain:polydrivetrain_plants',
   ],
 )