[moveit_commander/robot.py] Code cleaning; semi-PEP8.
[moveit_commander/robot.py] Code cleaning; semi-PEP8.

ros-planning/moveit,v4hn/moveit,v4hn/moveit,v4hn/moveit,v4hn/moveit,ros-planning/moveit,davetcoleman/moveit,davetcoleman/moveit,davetcoleman/moveit,ros-planning/moveit,davetcoleman/moveit,ros-planning/moveit,ros-planning/moveit