Changes to Get system information

removed the media type application/json for the response with the status 200

api operation id SystemInfoOp removed and replaced with SystemInfo

api tag System added

added the non-success response with the status 500

the Swarm/Cluster/CreatedAt response's property format changed from dateTime to date-time for status 200

the Swarm/Cluster/DefaultAddrPool/items response's property format changed from CIDR to no format for status 200

the Swarm/Cluster/UpdatedAt response's property format changed from dateTime to date-time for status 200

api operation id SystemInfo removed and replaced with SystemInfoOp

api tag System removed

removed the non-success response with the status 500

the CgroupDriver response's property default value cgroupfs was removed for the status 200

the CgroupVersion response's property default value 1 was removed for the status 200

the Containers response's property default value moby was removed for the status 200

the ControlAvailable response's property default value false was removed for the status 200

the DataPathPort response's property default value 4789 was removed for the status 200

the DefaultRuntime response's property default value runc was removed for the status 200

the Error response's property default value was removed for the status 200

the IndexServerAddress response's property default value https://index.docker.io/v1/ was removed for the status 200

the Isolation response's property default value default was removed for the status 200

the LiveRestoreEnabled response's property default value false was removed for the status 200

the LocalNodeState response's property default value was removed for the status 200

the NodeAddr response's property default value was removed for the status 200

the NodeID response's property default value was removed for the status 200

the Plugins response's property default value plugins.moby was removed for the status 200

the Protocol response's property default value cfssl was removed for the status 200

the Runtimes response's property default value {"runc":{"path":"runc"}} was removed for the status 200

the SubnetSize response's property default value 24 was removed for the status 200

added the media type application/json for the response with the status 200

added the media type application/json for the response with the status 500