updating R wrappers with the reorganized optimization routines
updating R wrappers with the reorganized optimization routines

rocanale/RElem,rocanale/RElem,rocanale/RElem,rocanale/R-Elemental,HPAC/RElem,HPAC/RElem,HPAC/RElem,rocanale/R-Elemental,rocanale/R-Elemental