removed *jaxp* dependency (also seems to be included in jre 7)
init
matsim4urbansim apparently uses development tools from user code. included.
references to dvrp, michalm and jbischoff added
Added comment to createBidirectionalLinksBetweenStops...
Implemented multiplyStop...
Implemented getOppositeDirection (and modified findClosestLink while at it...).
Started to implement PTLineRouterDefault...
used new package paths for internal (!) jaxb classes used in playgrounds