First modifs to unify images in GATE
First modifs to unify images in GATE
Merge branch 'image-devel' of https://github.com/dsarrut/gate-image-devel into image-i33
Merge branch 'image-i33' of https://github.com/albertine/gate-image-devel into image-devel

Conflicts:
	source/geometry/src/GateVImageVolume.cc
Correct h33/i33 reader : consider the folder name
Add SkipEqualMaterialsCmd