Release 0.9

Merge pull request #216 from dcoeurjo/IInormal

Add an options to 3dCurvatureViewer (w/o noise) to output normal vectors.

Release 0.8

Merge pull request #185 from kerautret/editAgain

edit again

Release 0.7

Merge pull request #106 from kerautret/MergeNicolas

Merge Nicolas PR from futur master