Updated Design to look more like the actual Urbanmech as well as performance improvements

Performance Pros/Cons

Pros:
- enhanced cross country performance
- Reduced risk of tipping over
- enhanced ability to fire on the move

Cons:
- Reduced stable speed from 3m\s to 2m\s
- Reduced visibility from cockpit view
- small risk that the heels of the feet may explode
- weight increased by about 700kg