Updated flatland 2.0 example
added new feature: Malfunctioning agents will automatically resume operation when they are fixed

local grid observations will not be updated. It was never used for the challenge and is not well suited for the task at hand.

now detecting malfunctioning agents
now detecting slowest fractional speed

fixed formatting

now detecting malfunctioning agents
now detecting slowest fractional speed

Minor bugfixes flatland 2 0 beta

See merge request flatland/flatland!158

Resolve "Different Agent classes"

Closes #141

See merge request flatland/flatland!157

bugfix #141: pass num_agents from sparse_rail_generator to sparse_schedule_generator

Closes #141

See merge request flatland/flatland!156

Merge branch '141-bugfixes' of ssh://gitlab.aicrowd.com/flatland/flatland into 141-refactoring_random_schedule_generator