[jsk_naoqi_robot] update README.md

I found naoqi_pose requires NAOqi Python SDK. => updated README #613 If I commented out pythonpath in .bashrc, I got this error when executing roslaunch jsk_pepper_startup jsk_pepper_startup.launch.

 File "/home/kochigami/catkin_ws/src/naoqi_bridge/naoqi_pose/nodes/pose_controller.py", line 52, in <module>
    from naoqi_driver.naoqi_node import NaoqiNode
  File "/home/kochigami/catkin_ws/devel/lib/python2.7/dist-packages/naoqi_driver/__init__.py", line 35, in <module>
    exec(__fh.read())
  File "<string>", line 29, in <module>
  File "/home/kochigami/catkin_ws/src/naoqi_bridge/naoqi_driver_py/src/naoqi_driver/naoqi_node.py", line 37, in <module>
;; comp ;; builtins ;; par ;; intersection ;; geoclasses process[joy_client-13]: started with pid [9205]
    raise RuntimeError("Error importing NaoQI. Please make sure that Aldebaran's NaoQI API is in your PYTHONPATH.")
RuntimeError: Error importing NaoQI. Please make sure that Aldebaran's NaoQI API is in your PYTHONPATH.

[pepper_robot/pose/pose_controller-3] process has died [pid 9082, exit code 1, cmd /home/kochigami/catkin_ws/src/naoqi_bridge/naoqi_pose/nodes/pose_controller.py --pip=192.168.97.87 --pport=9559 __name:=pose_controller __log:=/home/kochigami/.ros/log/0cd0523a-1f1c-11e6-888a-bc5ff4fcfea0/pepper_robot-pose-pose_controller-3.log].
log file: /home/kochigami/.ros/log/0cd0523a-1f1c-11e6-888a-bc5ff4fcfea0/pepper_robot-pose-pose_controller-3*.log

[FATAL] [WallTime: 1463811605.976235] Could not connect to required "joint_trajectory" action server, is the nao_controller node running?

preparing master pc and writing explanation how to use pepper (several people may use pepper in the future) difference in ros environment : hydro and indigo => add it to README.md (I want to know compatible ros version for pepper)

This is future task

jsk-ros-pkg / jsk_robot

[jsk_naoqi_robot] update README.md #612