CARLA 0.9.0
* Upgraded to Unreal Engine 4.19
* Redesign of the networking architecture
- Allows any number of clients to connect simultaneously
- Now is possible to add and remove at any time any vehicle or camera
- Now is possible to control any vehicle or camera
- Now is possible to place cameras anywhere
- Reduced to two ports instead of three
- First port uses an RPC protocol based on [rpclib](http://rpclib.net/)
- Second port is for the streaming of the sensor data
* Redesign of the Python API
- Actors and sensors are now exposed in the API and can be independently controlled
- The Python module is built in C++, with significant performance gain in some operations
- Many functionality haven't been ported yet, so expect a lot of things missing
* Redesign of the build system to accommodate the changes in dependencies
- Everything can be done now with the Makefile
- For the moment only Linux is supported, sorry
* Massive clean up of all unused assets
* Some aesthetic fixes to the vehicles