Support PointXYZ in DepthImageCreator

[wkentaro]

This is a regression by #2102 .

[k-okada]

test failing - https://travis-ci.org/jsk-ros-pkg/jsk_recognition/jobs/240053280

[ INFO] [1496774956.536562426]: Initializing nodelet with 4 worker threads.
[ INFO] [1496774957.592748367]: Initializing nodelet with 40 worker threads.
[ERROR] [1496774958.216279702, 1486279001.576558266]: Failed to load nodelet [/passthrough_filter_right] of type [pcl/PassThrough] even after refreshing the cache: According to the loaded plugin descriptions the class pcl/PassThrough with base class type nodelet::Nodelet does not exist. Declared types are  adding_images/adding_images camshift/camshift contour_moments/contour_moments convex_hull/convex_hull corner_harris/corner_harris depth_image_proc/convert_metric depth_image_proc/crop_foremost depth_image_proc/disparity depth_image_proc/point_cloud_xyz depth_image_proc/point_cloud_xyz_radial depth_image_proc/point_cloud_xyzi depth_image_proc/point_cloud_xyzi_radial depth_image_proc/point_cloud_xyzrgb depth_image_proc/register discrete_fourier_transform/discrete_fourier_transform edge_detection/edge_detection face_detection/face_detection fback_flow/fback_flow find_contours/find_contours general_contours/general_contours goodfeature_track/goodfeature_track hls_color_filter/hls_color_filter hough_circles/hough_circles hough_lines/hough_lines hsv_color_filter/hsv_color_filter image_proc/crop_decimate image_proc/crop_nonZero image_proc/debayer image_proc/rectify image_view/disparity image_view/image imagesift/ImageSift jsk_pcl/AddColorFromImage jsk_pcl/AddColorFromImageToOrganized jsk_pcl/AddPointIndices jsk_pcl/AttentionClipper jsk_pcl/BilateralFilter jsk_pcl/BorderEstimator jsk_pcl/BoundingBoxFilter jsk_pcl/BoundingBoxOcclusionRejector jsk_pcl/CaptureStereoSynchronizer jsk_pcl/CentroidPublisher jsk_pcl/ClusterPointIndicesDecomposer jsk_pcl/ClusterPointIndicesDecomposerZAxis jsk_pcl/CollisionDetector jsk_pcl/ColorBasedRegionGrowingSegmentation jsk_pcl/ColorHistogramMatcher jsk_pcl/ColorizeDistanceFromPlane jsk_pcl/ColorizeHeight2DMapping jsk_pcl/ColorizeMapRandomForest jsk_pcl/ColorizeRandomForest jsk_pcl/ConvexConnectedVoxels 

[wkentaro]

Could you please merge this? @k-okada