SparseMatrix: fixing factory name by including the template name (matrices specialized with float or double had the same name causing trouble to the factory)
SparseMatrix: fixing factory name by including the template name
(matrices specialized with float or double had the same name causing trouble to the factory)

Former-commit-id: 5ac8c0b24539e69bf9b9bd7066b859676b56ba49
hdeling/sofa,FabienPean/sofa,hdeling/sofa,hdeling/sofa,FabienPean/sofa,Anatoscope/sofa,FabienPean/sofa,FabienPean/sofa,FabienPean/sofa,hdeling/sofa,Anatoscope/sofa,Anatoscope/sofa,Anatoscope/sofa,Anatoscope/sofa,hdeling/sofa,Anatoscope/sofa,Anatoscope/sofa,FabienPean/sofa,hdeling/sofa,hdeling/sofa,hdeling/sofa,hdeling/sofa,hdeling/sofa,Anatoscope/sofa,FabienPean/sofa,Anatoscope/sofa,FabienPean/sofa,FabienPean/sofa,FabienPean/sofa