Fixed sensor problems and tuned butterknife

Change-Id: Ie17b43a450ffacd22fee672086356d4422328018
diff --git a/y2014_bot3/control_loops/python/drivetrain.py b/y2014_bot3/control_loops/python/drivetrain.py
index 93993c3..48510be 100755
--- a/y2014_bot3/control_loops/python/drivetrain.py
+++ b/y2014_bot3/control_loops/python/drivetrain.py
@@ -22,7 +22,7 @@
                                           q_vel_high = 0.95,
                                           has_imu = False,
                                           dt = 0.005,
-                                          controller_poles = [0.67, 0.67])
+                                          controller_poles = [0.83, 0.83])
 
 def main(argv):
   argv = FLAGS(argv)