* New Python API module: Benchmark
- Defines a set of tasks and conditions to test a certain agent
- Contains a starting benchmark, CoRL2017
- Contains Agent Class: Interface for benchmarking AIs
* New Python API module: Basic Planner (Temporary Hack)
- Provide routes for the agent
- Contains AStar module to find the shortest route
* Other Python API improvements
- Converter class to convert between Unreal world and map units
- Metrics module to summarize benchmark results
* Send vehicle's roll, pitch, and yaw to client (orientation is now deprecated)
* New RoutePlanner class for assigning fixed routes to autopilot (IntersectionEntrance has been removed)
* Create a random engine for each vehicle, which greatly improves repeatability
* Add option to skip content download in Setup.sh
* Few small fixes to the city assets