MATSim Code

adapt config group to new approach

format

bugfix

model "iterator" for calibration

protect access to mutable fields

reimplementation of social network generation

multi-threaded, simulated utilities (allows caching, more stable
results and more readable) instead of probability-based choice.

for the moment in a separate package, but should replace previous
implementation if works as expected

Some cleanup...

debug f.

Some cleaning of classes and specifying of comments...

don't use nullable injections. seems to cause problems when, accidentally, another version of the @nullable annotation is used, and was a bad idea anyway.