small edit and add in contourHelper and addition of a test file
fix
add dox
missing files
add link toc
Ajout color image
threshold is constimage
ok thresholder
dox
moving thresholders
Merge branch 'masterDGTal' into ThresholderFix
fixes
Merge branch 'master' of github.com:DGtal-team/DGtal into TutoImageIO
Merge from master
moved thresholders
fixing issues
Editing FindABell (Surfaces) doc
Fixing dvcm
ok
fixng distancetransform3D