Retreive the tf prefix from the robot node.
Removed info message on robot namespace.
Don't forget to delete the node!
Changed resolution for searchParam.
Merge pull request #105 from fmder/camera-util-robotnamespace

Camera util cannot find tf_prefix
Fixed a minor typo in spawn_model error message when -model not specified
Merge pull request #106 from ericperko/hydro-devel

gazebo_ros: Fixed a minor typo in spawn_model error message when -model not specified
Merge branch 'hydro-devel' of github.com:ros-simulation/gazebo_ros_pkgs into synchronize_with_drcsim_plugins
update gazebo includes