deprecate SCellToMidPoint in order to use CanonicSCellEmbedder instead
removing an old deprecated file (/base/Modifier.h)
changelog
Update MongeJetFittingPrincipalCurvaturesEstimator.h
Merge branch 'master' into CanonicSCellEmbedder
comment + float division
Merge pull request #721 from jlevallois/CanonicSCellEmbedder

thanks, merging CanonicSCellEmbedder
Merge branch 'master' into improveThresholdPredicate
warning fix
more warning fix