Small refactoring (the variable numberOfTimeSteps was interpreted as numberOfTimeDiscretizationPoints - which was a mistake).

git-svn-id: http://svn.finmath.net/finmath%20experiments/trunk@741 48fcbb9e-5639-0410-8b25-842128a4905d
(Re-)added demo code on the use of a model implementing AssetModelMonteCarloSimulationInterface, specifically MonteCarloBlackScholesModel.

git-svn-id: http://svn.finmath.net/finmath%20experiments/trunk@750 48fcbb9e-5639-0410-8b25-842128a4905d
Removed getMutableCopy() - no longer needed.

git-svn-id: http://svn.finmath.net/finmath%20experiments/trunk@754 48fcbb9e-5639-0410-8b25-842128a4905d