Fix Issue #665
Updating doc and assert for extendedEuclid.
fixed..
Merge pull request #736 from JacquesOlivierLachaud/FixExtendedEuclid

Tanks
Merge pull request #741 from kerautret/FixViewerMeshPolygon

fixed..issue  #729 MeshViewer (polygonal faces)
 instanciation of the predicate on the stack
Merge pull request #745 from troussil/bugFixInTestFMM

bug fix in testFMM
minor doc edit
fixing (some) clang++/C11 issues
Merge pull request #747 from dcoeurjo/FixingClang++Issues

fixing (some) clang++/C11 issues
Merge branch 'master' of github.com:DGtal-team/DGtal into addPositionImage2DDomainD3D
David remarks and corrections