No zeroing while moving for absolute encoders

Modified zeroing code for pot and absolute encoder to no longer
update estimates of offsets while moving. This causes a delay of
3 samples (due to a sample buffer size).

Change-Id: Iaf82ad83ebcfc68fa75ce23716c7d89a6e34a917
diff --git a/y2017/constants.cc b/y2017/constants.cc
index dee04dd..35fe207 100644
--- a/y2017/constants.cc
+++ b/y2017/constants.cc
@@ -72,12 +72,14 @@
   intake->zeroing.average_filter_size = Values::kZeroingSampleSize;
   intake->zeroing.one_revolution_distance = Values::kIntakeEncoderIndexDifference;
   intake->zeroing.measured_absolute_position = 0;
-  intake->zeroing.zeroing_threshold = 0.3;
+  intake->zeroing.zeroing_threshold = 0.001;
+  intake->zeroing.moving_buffer_size = 9;
 
   turret->zeroing.average_filter_size = Values::kZeroingSampleSize;
   turret->zeroing.one_revolution_distance = Values::kTurretEncoderIndexDifference;
   turret->zeroing.measured_absolute_position = 0;
-  turret->zeroing.zeroing_threshold = 0.3;
+  turret->zeroing.zeroing_threshold = 0.001;
+  turret->zeroing.moving_buffer_size = 9;
 
   hood->zeroing.average_filter_size = Values::kZeroingSampleSize;
   hood->zeroing.index_difference = Values::kHoodEncoderIndexDifference;