Reset the vision averagers and trackers on button release.

Change-Id: If07ea4fdc9ab26752e6d7664998a69ddc84643b1
diff --git a/y2017/control_loops/superstructure/column/column.cc b/y2017/control_loops/superstructure/column/column.cc
index cbc76ab..9ee07b5 100644
--- a/y2017/control_loops/superstructure/column/column.cc
+++ b/y2017/control_loops/superstructure/column/column.cc
@@ -536,6 +536,8 @@
             profiled_subsystem_.set_turret_unprofiled_goal(
                 vision_time_adjuster_.goal() + vision_error_);
           }
+        } else {
+          vision_time_adjuster_.ResetTime();
         }
 
         if (freeze_) {