renamming
Add image extractor functor 3D -> 3D from ref points
merging with the master, solving small conflicts
renaming in ***DSSIterator.cpp
renaming in testDSLSubsegment
clean assert
Board3DTo2d + Viewer3D
merge and solve conflicts
Revert "clean assert"

This reverts commit 11fdfb5dccf91aca3d65a3c63cd0bebd5726acf7.
rewrote assert verify is now fatal_error
renamed verify to fatal_error
doc
enabling ITK in travis
enabling ITK in travis
enabling ITK in travis (adding gdcm)
Fixing type names
doxygen edit
added TCompare template param.

TCompare apply to the compare template param of std::set.
fixing updaete listsé
fixing updaete lists