[pr2eus_moveit] add 0.5 seconds sleep after collision object pub

[knorth55]

According to moveit tutorials, we need to put sleep after topic publishing.
I have several reports that it sometimes fails to wipe all scenes.

http://docs.ros.org/indigo/api/pr2_moveit_tutorials/html/planning/src/doc/planning_scene_ros_api_tutorial.html

[knorth55]

adding unix::usleep is not smart solution, but I couldn't find out better solution.

[k-okada]

please add following comment within source code ``` According to moveit tutorials, we need to put sleep after topic publishing. http://docs.ros.org/indigo/api/pr2_moveit_tutorials/html/planning/src/doc/planning_scene_ros_api_tutorial.html adding unix::usleep is not smart solution, but I couldn't find out better solution. #315 (comment) ```

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-- ◉ Kei Okada 2017-07-13 17:54 GMT+09:00 Shingo Kitagawa <notifications@github.com>:

adding unix::usleep is not smart solution, but I couldn't find out better solution. — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#315 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AAeG3HtNB04XN2wksgjahgZ2ifgwlR8qks5sNds-gaJpZM4OWsLt> .

[k-okada]

added comment

[knorth55]

Thank you!