Post 7DRL Update #1 (v03)

A lot of bugfixes and tweaks. Even some new features:

- burnout (traction loss) & tiremarks

- added mud (very low grip)

- random changes in road width

- noise overlays for better looking terrain
- more grass, less dirt
- increased car acceleration 
- fixed braking not possible while standing still
- indicator for standing still: center 'O' of car turns green
- indicator for going backwards: center 'O' of car turns yellow
- fixed german decimal format, switched to english
- added second door to default car
- slowdown effect from steering
- removed potential blocking objects around girlfriend
- steering correction penalty from design asymmetries
- walking speeds cut to half
- increased police shooting interval
- decreased police shooting accuracy depending on car speed
- fixed police instant aggression behaviour
- fixed police pathfinding
- nerfed cooling bonus for engines, especially when theres a component directly above the cooler (blocking it)
- increased turbo bonus for engines
- Shifting gears now costs one turn
- improved crash damage algorithm
- car component piles
- flexible deadline depending on actual total road length
- higher brake force at very low speeds
- second orientation '*' indicator in light blue when slightly off straight line
- tweaked car components mass & drag values
- steering correction duration halved (0.5s)
- steering correction not possible while standing
- fixed game over state after talking to girlfriend