Added position control and profiling to drivetrain.

Change-Id: I09ad01c46b23f1c7b6e8530bc10b03a733245b95
diff --git a/y2016/control_loops/drivetrain/drivetrain_main.cc b/y2016/control_loops/drivetrain/drivetrain_main.cc
index 9c678bf..489a36e 100644
--- a/y2016/control_loops/drivetrain/drivetrain_main.cc
+++ b/y2016/control_loops/drivetrain/drivetrain_main.cc
@@ -7,8 +7,7 @@
 
 int main() {
   ::aos::Init();
-  DrivetrainLoop drivetrain =
-      DrivetrainLoop(::y2016::control_loops::GetDrivetrainConfig());
+  DrivetrainLoop drivetrain(::y2016::control_loops::GetDrivetrainConfig());
   drivetrain.Run();
   ::aos::Cleanup();
   return 0;