New version of the Leaderboard 2.0

New version of the leadebroard 2.0. This includes:

Improved initialization for the large maps
Imporved performance by initializing scenarios on runtime, instead of all of them at the very beginning
Improved the debugging outputs of the Leaderboard
Improved utility scripts
Added validation routes for Town13
Added a couple of general metrics to the global records
Removed some weather parameters from the routes, related to fog (except fog_density) and scattering, as the default values are best left untouched.

This change is

carla-simulator / leaderboard