Added binomial-Joshi and FD-bermudan engines (thanks to Richard Gomes and Tito Ingargiola)
Added binomial-Joshi and FD-bermudan engines (thanks to Richard Gomes and Tito Ingargiola)

fabrice-lecuyer/QuantLib-SWIG,fabrice-lecuyer/QuantLib-SWIG,fabrice-lecuyer/QuantLib-SWIG,fabrice-lecuyer/QuantLib-SWIG,fabrice-lecuyer/QuantLib-SWIG,fabrice-lecuyer/QuantLib-SWIG,fabrice-lecuyer/QuantLib-SWIG,fabrice-lecuyer/QuantLib-SWIG,fabrice-lecuyer/QuantLib-SWIG