Example usage : we want our nodes to be able to update route53 record
for using external-dns.
```hcl
data "template_file" "eks_worker_additional_route53_policy" {
template = "${file("iam/route53_policy.json.tpl")}"
}
resource "aws_iam_policy" "eks_worker_additional_route53_policy" {
description = "Allow nodes to update our zone"
name = "${module.k8s_cluster01_label.id}-additional-route53-policy"
policy = "${data.template_file.eks_worker_additional_route53_policy.rendered}"
}
```
which defines the policy; then in the EKS module :
```hcl
module "cluster01" {
cluster_name = "cluster01"
<snip>
workers_addtional_policies = [
"${aws_iam_policy.eks_worker_additional_route53_policy.arn}"
]
workers_addtional_policies_count = 1
<snip>
```
* Added update aws auth configmap when manage_aws_auth set false case
and `write_aws_auth_config` variable for not create the aws_auth files option
* Add CHANGELOG
* Changed writing config file process for Windows compatibility.
* Apply terraform-docs and terraform fmt
* Fixed zsh-specific syntax
* Fixed CHANGELOG.md
* Allow per worker group ASG tags to be set
* Format
* Set correct defaults
* Implement hack that will use the first item in the list if a matching item does not exist for the worker group
* Use a map that will map from the worker group name to the tags to get around the issue where list indexing does not work with a list of lists
* Format
* Cleanup
* Fix sample
* README
* Add ability to pass computer values to cluster_security_group_id and worker_security_group_id
* Fix contributer name in CHANGELOG.md
* Format variables.tf file
* Added map_roles_count and user_roles_count (#1)
* Update readme for new vars
* updated tests to include count
* fix syntax error
* updated changelog
* Added map_accounts_count variable for consistency
* Fix counts in example and user latest terraform-docs to generate readme
* Allow additional security groups to be included for all workers and each worker group #47
* update changelog with reference to issue and be more descriptive
* Update CHANGELOG.md
* address pr comments and rebase
* rebase
* fix bug introduced by PR#115 that sets the AMI id to the default value of "" always
* rebase
* align default value of additional_security_group_ids to be pulled from local var workers_group_defaults_defaults
