Add shooter pneumatics.

Change-Id: I2568af8b2836b17d950c24da00c830f0c774f1b7
diff --git a/y2016/control_loops/shooter/shooter.cc b/y2016/control_loops/shooter/shooter.cc
index 6550fc2..0e8f3a5 100644
--- a/y2016/control_loops/shooter/shooter.cc
+++ b/y2016/control_loops/shooter/shooter.cc
@@ -92,6 +92,11 @@
   if (output) {
     output->voltage_left = left_.voltage();
     output->voltage_right = right_.voltage();
+
+    if (goal) {
+      output->clamp_open = goal->clamp_open;
+      output->push_to_shooter = goal->push_to_shooter;
+    }
   }
 }