Add image extractor functor 3D -> 3D from ref points
clean assert
Revert "clean assert"

This reverts commit 11fdfb5dccf91aca3d65a3c63cd0bebd5726acf7.
rewrote assert verify is now fatal_error
renamed verify to fatal_error
doc
added TCompare template param.

TCompare apply to the compare template param of std::set.
tmp..
Merge branch 'master' of github.com:DGtal-team/DGtal into 2DImageExtractor
completing doc for functor Point2DEmbedderIn3D
 using directIncident with innerPoint and indirectIncident with outerPoint functors (see #671)
 doc changes
constructor take default constructable comparator
doc and other constructor
Merge branch 'master' into exposeCompareInDigitalSetBySTLSet
changelog
Merge branch 'master' into cleanAssert

Conflicts:
	src/DGtal/io/Display2DFactory.ih
adding principal curvature estimator for Monge Jet Fitting
adding principal curvature estimation to ImplicitPolynomial3Shape
modification of eval function signature on LocalEstimatorFromSurfelFunctorAdapter