Merge pull request azavea#22 from miguelaferreira/patch-1

Fix input variable name in example

Author: hectcastro

README.md

@@ -20,7 +20,7 @@ module "container_service_cluster" {
   ami_id        = "ami-b2df2ca4"
   instance_type = "t2.micro"
   key_name      = "hector"
-  cloud_config  = "${data.template_file.container_instance_cloud_config.rendered}"
+  cloud_config_content  = "${data.template_file.container_instance_cloud_config.rendered}"
 
   root_block_device_type = "gp2"
   root_block_device_size = "10"