fvtk util and actor refactor coding style
Updated fvtk_widgets
Merge pull request #24 from gauvinalexandre/new_fvtk

Guillotine
Merge remote-tracking branch 'elef/new_fvtk' into new_fvtk
Added tutorial for streamlines colormap + added autoview and colormap to dipy_shoot
Merge pull request #23 from StongeEtienne/new_fvtk

fvtk util and actors refactor