Merge changes I4c4d39fe,If58e4970

* changes:
  Update allwpilib and associated libraries
  Squashed 'third_party/allwpilib_2019/' changes from bd05dfa1c..99e4f7dd2
diff --git a/y2019/constants.cc b/y2019/constants.cc
index e2d54b3..1d1840b 100644
--- a/y2019/constants.cc
+++ b/y2019/constants.cc
@@ -159,8 +159,8 @@
       wrist_params->zeroing_constants.measured_absolute_position = 0.357394;
       wrist->potentiometer_offset = -1.479097 - 2.740303;
 
-      stilts_params->zeroing_constants.measured_absolute_position = 0.036469;
-      stilts->potentiometer_offset = -0.093820 + 0.0124;
+      stilts_params->zeroing_constants.measured_absolute_position = 0.048258;
+      stilts->potentiometer_offset = -0.093820 + 0.0124 - 0.008334;
       break;
 
     case kCodingRobotTeamNumber:
diff --git a/y2019/joystick_reader.cc b/y2019/joystick_reader.cc
index 746feab..40c9027 100644
--- a/y2019/joystick_reader.cc
+++ b/y2019/joystick_reader.cc
@@ -146,11 +146,11 @@
     // TODO(sabina): max height please?
     if (data.IsPressed(kFallOver)) {
       new_superstructure_goal->stilts.unsafe_goal = 0.71;
-      new_superstructure_goal->stilts.profile_params.max_velocity = 0.45;
+      new_superstructure_goal->stilts.profile_params.max_velocity = 0.65;
       new_superstructure_goal->stilts.profile_params.max_acceleration = 2.0;
     } else if (data.IsPressed(kDeployStilt)) {
       new_superstructure_goal->stilts.unsafe_goal = 0.50;
-      new_superstructure_goal->stilts.profile_params.max_velocity = 0.45;
+      new_superstructure_goal->stilts.profile_params.max_velocity = 0.65;
       if (stilts_was_above_) {
         new_superstructure_goal->stilts.profile_params.max_acceleration = 0.75;
       } else {