initialize everything in the shooter

Change-Id: I7779b4952d27106ed4ac35e6c33166ab82afa5ce
diff --git a/frc971/control_loops/shooter/shooter.h b/frc971/control_loops/shooter/shooter.h
index 2cb688f..370f9e5 100755
--- a/frc971/control_loops/shooter/shooter.h
+++ b/frc971/control_loops/shooter/shooter.h
@@ -76,6 +76,8 @@
   double goal_velocity() const { return R(1, 0); }
   void InitializeState(double position) {
     mutable_X_hat(0, 0) = position - kPositionOffset;
+    mutable_X_hat(1, 0) = 0.0;
+    mutable_X_hat(2, 0) = 0.0;
   }
 
   void SetGoalPosition(double desired_position, double desired_velocity) {