Changed type of parameter map to ensure backward compatiblity.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@875 48fcbb9e-5639-0410-8b25-842128a4905d
Allowed time discretization of LIBOR correlation model to differ form time discretization of Monte-Carlo LIBOR simulation.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@876 48fcbb9e-5639-0410-8b25-842128a4905d
Organized imports.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@877 48fcbb9e-5639-0410-8b25-842128a4905d