gazebo_plugins: call Advertise() directly after initialization has
completed in gazebo_ros_openni_kinect and gazebo_ros_depth_camera
plugins, as the sensor will never be activated otherwise
gazebo_plugins: always use gazebo/ path prefix in include directives
Merge pull request #51 from meyerj/fix_depth_and_openni_kinect_camera_plugin_segfaults

Fix depth and openni kinect camera plugin segfaults