Add global_tags to elastic ips & nat gateways.

Author: Micah Huber

eip.tf

@@ -14,6 +14,7 @@
 
 resource "aws_eip" "mod_nat" {
   count = "${((var.multi_az_nat_gateway * var.az_count) + (var.single_nat_gateway * 1))}"
+  tags = "${var.global_tags}"
   vpc = true
 }
 

nat-gateway.tf

@@ -16,6 +16,7 @@ resource "aws_nat_gateway" "nat_gateway" {
   count = "${((var.multi_az_nat_gateway * var.az_count) + (var.single_nat_gateway * 1))}"
   subnet_id = "${element(aws_subnet.public.*.id, count.index)}"
   allocation_id = "${element(aws_eip.mod_nat.*.id, count.index)}"
+  tags = "${var.global_tags}"
   depends_on = ["aws_internet_gateway.default","aws_eip.mod_nat","aws_subnet.public"]
   lifecycle = {
                 ignore_changes = ["tags"]