(robot-compile-setup.sh) Use HIRONX for the path name for now. Need to settle discussion https://github.com/start-jsk/rtmros_hironx/issues/140

(robot-compile-setup.sh) Improve instruction message.

(robot-compile-setup.sh) Download latest NXO zipball w/o telling version number.

(robot-compile-setup.sh) Create log folder.

(robot-compile-setup.sh) Re-specify model file version number
Merge pull request #142 from 130s/140_robot_model_path

(robot-compile-setup.sh) Use fixed folder name for model file, download latest NXO zipball