Merge pull request #4 from ipa-fxm/master

fixed gazebo_services for stopping components (FollowJointTrajectoryAction)
Spawn_object script also set a description parameter
move tf listener to gazebo worlds; git push origin master
removed outdated file
opt env for ROBOT
removed pointcloud1 converter
Merge pull request #17 from ipa-goa/master

removed pc1 converte
added relay for color image
Merge pull request #18 from ipa-goa/master

added topic relay for cam3d
add cam3d throttle, renamed some topics
Merge pull request #19 from ipa-goa/master

cam3d topic fixes