Drive code works on Tantrum.

Need to write the spring code.  Drive now supports doubles...  What a
pain.

Change-Id: Id589acdc443dcd81242a21e3b0c26f81d6974dc8
diff --git a/frc971/autonomous/base_autonomous_actor.h b/frc971/autonomous/base_autonomous_actor.h
index 980be2c..c8f6398 100644
--- a/frc971/autonomous/base_autonomous_actor.h
+++ b/frc971/autonomous/base_autonomous_actor.h
@@ -17,7 +17,7 @@
  public:
   explicit BaseAutonomousActor(
       AutonomousActionQueueGroup *s,
-      const control_loops::drivetrain::DrivetrainConfig dt_config);
+      const control_loops::drivetrain::DrivetrainConfig<double> &dt_config);
 
  protected:
   void ResetDrivetrain();
@@ -53,7 +53,7 @@
   // Returns the distance left to go.
   double DriveDistanceLeft();
 
-  const control_loops::drivetrain::DrivetrainConfig dt_config_;
+  const control_loops::drivetrain::DrivetrainConfig<double> dt_config_;
 
   // Initial drivetrain positions.
   struct InitialDrivetrain {