Track restyle

New
![new_z15](https://f.cloud.github.com/assets/1190866/1240199/93689fa8-2a07-11e3-89c4-9dc814925148.png)

Old
![old_z15](https://f.cloud.github.com/assets/1190866/1240200/97fdb9cc-2a07-11e3-9fb5-f63a122a5c53.png)

It is *very* hard getting different looking values for tracktypes grade2-grade5 with just dashes.