ebs optimization of instances now possible

modules/util/ebs_optimized/outputs.tf

@@ -0,0 +1,4 @@
+output "answer" {
+  description = "Returns true or false depending on if the instance type is able to be EBS optimized."
+  value       = "${lookup(local.ebs_optimized_types, var.instance_type, false)}"
+}