adding the cortiacl matrix.
on cgal files.
Merge branch 'mesh' into CGAL
Make sure dy default the mesh is well oriented (not so greedy in computation time).
Fix the CGAL tools (for CGAL >= 4.2).
renamed
renamed
Merge branch 'master' into CGAL
Merge branch 'master' into cortical

Conflicts:
	src/mesh.h
improve const qualified
Merge branch 'CGAL' into cortical
tiny on orientation.
(On) testing the projector.
Correct the SVD, so that it is complete (full).
Adding DGER for outerproduct.
Small changes.
Adding small function.
Adding small function.
Adding outer product and its test.
On the cortical matrix.