ros_camera_utils: Adding CameraInfoManager to satisfy full ROS camera API (relies on https://github.com/ros-perception/image_common/pull/20 )

ros_camera_utils: Adding CameraInfoManager to satisfy full ROS camera API (relies on https://github.com/ros-perception/image_common/pull/20 )
Merge pull request #1 from ros-simulation/hydro-devel

Merge from upstream
Merge remote-tracking branch 'origin/hydro-devel' into camera-info-manager
merging from hydro-devel
Merge branch 'jbohren-forks-camera-info-manager' into hydro-devel