update libcontainer,gocapability,cadvisor

vendor/github.com/google/cadvisor/utils/cloudinfo/azure.go

@@ -34,7 +34,7 @@ func onAzure() bool {
 	return strings.Contains(string(data), MicrosoftCorporation)
 }
 
-//TODO: Implement method.
+// TODO: Implement method.
 func getAzureInstanceType() info.InstanceType {
 	return info.UnknownInstance
 }

vendor/github.com/google/cadvisor/utils/cloudinfo/cloudinfo.go

@@ -97,7 +97,7 @@ func detectInstanceID(cloudProvider info.CloudProvider) info.InstanceID {
 	return info.UnNamedInstance
 }
 
-//TODO: Implement method.
+// TODO: Implement method.
 func onBaremetal() bool {
 	return false
 }