add publish-eusscene.l

You can get the collision scene shown by following picture by `rosrun pr2eus_moveit publish-eusscene.l`.
You can set some parameters by `rosrun pr2eus_moveit publish-eusscene.l _frame_id:="BASE" _scene="room610"`.

![room73b2-moveit-scene](https://cloud.githubusercontent.com/assets/6636600/3685090/f3778a48-1305-11e4-847d-fb8237ee7825.png)