Template the ZeroingEstimator type

We want to use several different ones this year.

Change-Id: Icb71f331e410da32fc6f2d18c5f28b21995849a5
diff --git a/y2016/control_loops/superstructure/superstructure_controls.h b/y2016/control_loops/superstructure/superstructure_controls.h
index 7f7370f..8f3a59e 100644
--- a/y2016/control_loops/superstructure/superstructure_controls.h
+++ b/y2016/control_loops/superstructure/superstructure_controls.h
@@ -98,7 +98,7 @@
   }
 };
 
-class Intake : public ::frc971::control_loops::SingleDOFProfiledSubsystem {
+class Intake : public ::frc971::control_loops::SingleDOFProfiledSubsystem<> {
  public:
   Intake();
 };