MATSim Code

Optimization: Links can now be inactive if there are only parked vehicles, but they have to register themselves in QueueSimulation.setActivationLink() so they are activated again at the right time when a vehicle wants to depart. Using a LinkedList (Queue-Interface) instead of an ArrayList for QueueLink.vehQueue, this seems to speed up things a little bit. Removed synchronized-statements in QueueLink, as the QueueSim is still single-threaded. Got rid of QueueLink.buffercount in favor QueueLink.buffer.size(). Other smaller code cleanups.