Merge branch 'master' of https://github.com/jsk-ros-pkg/jsk_recognition
Use jsk_topic_tools::ConnectionBasedNodelet in DepthImageError, EdgeDepthReginement, EdgebasedCubeFinder, EuclideanClusterExtraction and GridSampler
Merge pull request #486 from garaemon/use-jsk-topic-tools

Use jsk_topic_tools::ConnectionBasedNodelet in several classes