New track, new cars and UX improvements

[list] [*] [b]New track[/b]: You can now fight for the top positions in the leaderboard in [b]Buenos Aires[/b]! [*] [b]New cars[/b]: Two new german contenders for the Classics category [*] [b]Mini-map[/b]: Tweaked the display information and now all cars positions are drawn in the mini-map [*] [b]Improved overlays[/b]: better legibility and more information shown when completing a lap (current position and laps are shown next to your car). Shortened the text shown when doing a lap record for faster reading. [*] [b]New guardrails[/b]: Buenos Aires is the first track using a new method for placing guardrails, after further testing, other tracks will get this upgrade. [/list]