r4106/sofa-dev : ADD: missing .xml file to run correctly the BoxContactForcefield.scn example. Also removed BoxROI.scn example because after the last modifications, it does the same that BoxConstraint.scn
r4106/sofa-dev : ADD: missing .xml file to run correctly the BoxContactForcefield.scn example. Also removed BoxROI.scn example because after the last modifications, it does the same that BoxConstraint.scn

 //partial sync (1/3 changes)//

FabienPean/sofa,FabienPean/sofa,hdeling/sofa,FabienPean/sofa,FabienPean/sofa,hdeling/sofa,FabienPean/sofa,FabienPean/sofa,Anatoscope/sofa,FabienPean/sofa,hdeling/sofa,hdeling/sofa,FabienPean/sofa,Anatoscope/sofa,Anatoscope/sofa,FabienPean/sofa,Anatoscope/sofa,Anatoscope/sofa,Anatoscope/sofa,hdeling/sofa,Anatoscope/sofa,hdeling/sofa,Anatoscope/sofa,hdeling/sofa,FabienPean/sofa,Anatoscope/sofa,hdeling/sofa,hdeling/sofa,hdeling/sofa