improve json outputs
add [,]
Output ranks in the result summary.
Merge branch 'master' into 270_ImproveJsonOutputs
Fix TestScene.
Merge branch 'write_result' into 270_ImproveJsonOutputs

Conflicts:
	src/main/scala/net/aicomp/terraforming/scene/MainScene.scala
Fix tests.
Fix tests.
Merge pull request #271 from AI-comp/270_ImproveJsonOutputs

improve json outputs