Added position control and profiling to drivetrain.

Change-Id: I09ad01c46b23f1c7b6e8530bc10b03a733245b95
diff --git a/y2015/control_loops/drivetrain/drivetrain.cc b/y2015/control_loops/drivetrain/drivetrain.cc
index bc3fa21..b5eb83a 100644
--- a/y2015/control_loops/drivetrain/drivetrain.cc
+++ b/y2015/control_loops/drivetrain/drivetrain.cc
@@ -752,11 +752,11 @@
   // set the output status of the control loop state
   if (status) {
     status->robot_speed = dt_closedloop.GetEstimatedRobotSpeed();
-    status->filtered_left_position = dt_closedloop.GetEstimatedLeftEncoder();
-    status->filtered_right_position = dt_closedloop.GetEstimatedRightEncoder();
+    status->estimated_left_position = dt_closedloop.GetEstimatedLeftEncoder();
+    status->estimated_right_position = dt_closedloop.GetEstimatedRightEncoder();
 
-    status->filtered_left_velocity = dt_closedloop.loop().X_hat(1, 0);
-    status->filtered_right_velocity = dt_closedloop.loop().X_hat(3, 0);
+    status->estimated_left_velocity = dt_closedloop.loop().X_hat(1, 0);
+    status->estimated_right_velocity = dt_closedloop.loop().X_hat(3, 0);
     status->output_was_capped = dt_closedloop.OutputWasCapped();
     status->uncapped_left_voltage = dt_closedloop.loop().U_uncapped(0, 0);
     status->uncapped_right_voltage = dt_closedloop.loop().U_uncapped(1, 0);