LogPlayer: take GOAL_STEP_THRESHOLD into account in hasPrevious/hasNextGoal()
LogPlayer: take GOAL_STEP_THRESHOLD into account in hasPrevious/hasNextGoal()

Thanks to Patrick MacAlpine for the fix.

magmaOffenburg/RoboViz,pmacalpine/RoboViz,pmacalpine/RoboViz,pmacalpine/RoboViz,magmaOffenburg/RoboViz,magmaOffenburg/RoboViz,magmaOffenburg/RoboViz