message: lane tracking support min velocity parameter
diff: @@ -85,9 +85,9 @@ std::tuple<Trajectory, Action> BehaviorIDMLaneTracking::GenerateTrajectory(
  traj.row(i) =
  dynamic::euler_int(*dynamic_model, traj.row(i - 1), input, dt);
  - // Do not allow negative speeds
  + // Restrict allowed speed
  traj(i, StateDefinition::VEL_POSITION) =
  - std::max(traj(i, StateDefinition::VEL_POSITION), 0.0);
  + std::max(traj(i, StateDefinition::VEL_POSITION), GetMinVelocity());
  t_i = static_cast<double>(i) * dt + start_time;
  traj(i, StateDefinition::TIME_POSITION) = t_i;
  