Turn lights on when button is pushed

Finished.

Change-Id: I53880c31a5d46499b7875e154bae9b5b7716091c
diff --git a/y2017/control_loops/superstructure/superstructure.q b/y2017/control_loops/superstructure/superstructure.q
index dd8a65a..3c44ed3 100644
--- a/y2017/control_loops/superstructure/superstructure.q
+++ b/y2017/control_loops/superstructure/superstructure.q
@@ -174,6 +174,7 @@
     TurretGoal turret;
     HoodGoal hood;
     ShooterGoal shooter;
+    bool lights_on;
   };
 
   message Status {
@@ -221,6 +222,9 @@
 
     double voltage_turret;
     double voltage_hood;
+
+    // If true, the lights are on.
+    bool lights_on;
   };
 
   queue Goal goal;