add a new nodelet to refine edges based on depth connectivity
Merge remote-tracking branch 'refs/remotes/origin/master' into garaemon-edge-refinement-by-depth
Merge remote-tracking branch 'refs/remotes/origin/master' into garaemon-edge-refinement-by-depth
Merge remote-tracking branch 'refs/remotes/origin/master' into garaemon-edge-refinement-by-depth
Merge pull request #249 from garaemon/edge-refinement-by-depth

Edge Refinement by Depth Connectivity