New features and bugfixes

Changelog:

• increased game start performance
• added keyboard support for menus

(wasd/arrows and enter) - rebalanced cars prices - added new car "Winchester" - renamed "Sport car" to "Cowtach" - added D-Pad steer (keep in mind that it's more difficult to steer because it has no "pression" sensor) - fixed game detected by steam as still playing when it's closed - fixed "you lose" voice not respecting voice volume setting - fixed main menu logo animation "lag" - fixed leaderboard "near you" not always showing your score - fixed b86 and durifuto color picker - fixed b86 model position in preview - fixed always "new highscore" - fixed profile image not always loaded - updated steamworks libs