CARLA 0.4.0
* Made vehicle input more realistic, now reverse and brake use different input
* Changed server-client protocol
- CarlaSettings.ini is sent for every new episode
- Control is extended with brake, reverse and handbrake
* Set a clearer hierarchy for loading settings files
* Made camera post-process settings able to change depending on the weather
* Added basic functionality for NPC vehicles
* Some improvements to the walker spawner
* Generate road map metadata on save
* Added command-line switch -carla-no-networking
* Improved verbosity control of CarlaServer
* Fixed issue with server that two threads used 100% CPU
* Fixed issue with the attachment of the main camera to the player
* Fixed issues with CarlaServer interface with Unreal, does not use STL containers anymore