Realistic traffic of DP

Version: 0.2.10

This mod not only increases the density of the traffic but also changes its behavior to busier and more fluid experience.

- Increased traffic in general, which is a more realistic feeling
- Traffic has less patience and safety for itself
- Queues that do build up are quicker to filter away
- Police spawning now varies depending on whichever state you are in
- Supports distant vehicle

Changes from 0.2.9
- Minor fixes

Tested on version 1.6.x