Resolve "benchmarks_and_profiling: The script exceeded the maximum execution time set for the job"

Closes #175

See merge request flatland/flatland!189

Update flatland_2.0.md for a minor typo

See merge request flatland/flatland!188

Merge branch 'master' of gitlab.aicrowd.com:flatland/flatland into 175-no-sleep-when-running-examples-as-benchmark-or-profiling

Resolve "Bug: sparse_rail_generator might not generate an agent/target pair : Results in number of agents == 0."

Closes #176

See merge request flatland/flatland!185

#160 predictor documentation

Closes #160

See merge request flatland/flatland!184

#80 specifications as markdown moved from wiki

Closes #161, #159, and #79

See merge request flatland/flatland!182

#79 bugfix sphinx generated documentation #161 observation documentation  #159 documentation about new INFO

Update flatland_2.0.md

See merge request flatland/flatland!181

#167 bugfix action_on_cellexit

Closes #167, #162, and #164

See merge request flatland/flatland!179

#116 added missing comma

See merge request flatland/flatland!178

#155 return in info field whether agent is malfunctioning; renamed...

Closes #155

See merge request flatland/flatland!175

renamed action_required instead of entering and remove two if False conditions in sparse_rail_generator