New 3dHeightMapViewer
Change log and readme
add visu in readme
fix compile
Merge branch 'master' of github.com:DGtal-team/DGtalTools into New3DHeightMapViewer
david remark
Merge from master
harmonisation replace all input-file with input
harmonisation replace all output-file with output
other hormo
Merge pull request #159 from kerautret/harmoInput

Harmo input/output
Merge pull request #148 from kerautret/New3DHeightMapViewer

New 3d height map viewer
add illustration for 3dHeightMapViewer in Readme
merge from master