more messages when running 3dCurvatureViewer
WIP
debugging colors in board exports'
debugging colors in board exports'
Merge pull request #192 from DGtal-team/CurvatureViewerDebug

More trace messages in 3dCurvatureViewer
Merge branch 'master' of github.com:DGtal-team/DGtalTools into FixArgHeighMapViewer
default option