small typos in doc
Merge branch 'master' of github.com:DGtal-team/DGtal into DivEditsFromDoc
add reference to example of FMM2D and 3D
Merge branch 'master' of github.com:DGtal-team/DGtal into DivEditsFromDoc
Merge pull request #815 from kerautret/DivEditsFromDoc

Div edits from doc