Tentative unification of two models.

[AlessandroGnoatto]

What is this PR for?

Unification of Fourier and Monte Carlo models for the Black Scholes and Heston case.

Todos

Merton Model to follow. Consider unification of interfaces at a higher level to increase interchangeability of classes.

What is the related issue?

See "Consider unification of models!

How should this be tested?

I Adjusted corresponding Unit Tests

Screenshots

Questions:

Does the licenses files need update?

NO

Are there breaking changes for older versions? NO

Does the change require additional documentation?

NO

[AlessandroGnoatto]

After discussion with Christian this pull Request is obsolete. See discussion at: http://finmath.net/finmath-lib/concepts/separationofproductandmodel/

[AlessandroGnoatto]

Closed.