MATSim Code

no more IdImpl in playground.thibautd (part I)

now will generate simulation point even for links with more than one lane.

some performance improvements

made CASim parallel.
Due to the parallelization the events files of two identical runs are no longer bit compatible, while the aggregeted outcome is. For the sake of computing speed, I think we can live with it. (Making the parallel version deterministic would kill the achieved performance gain)