Paint : right-click for erasing
Add right-click = erasing for Magic Wand
Correct Erase problem and remove the State structure
Fuse Paint and Erase buttons
Applying patch of Jaime's modifications for SH ODF visualization on top of master
Readd missing SH icon
Merge fail: vtk inria 3d variables have changed names
memory leaks correction in vtkSphericalHarmonicGlyph
Applying patch of Jaime's modifications for SH ODF visualization on top of master
Apply new naming scheme to SH view toolbox
Glyph resolution minimum value set to 4 instead of6
corrections in CMakelist after merge  in medInria
some corrections after rebase
ShImage -> SHImage + various changes.
Corrected leaks + many changes.
More renaming sh->SH, some bug corrections.
More renaming sh->SH, some bug corrections.
Merge + minor changes (constness).
Resolve conflict.
Remove unused stuff.