Added support for Ireland (eu-west-1) region

Author: ferdingler

README.md

@@ -37,6 +37,7 @@ Region Name | Region Code | Launch
 US East (N. Virginia) | us-east-1 | [![Launch in us-east-1](https://camo.githubusercontent.com/210bb3bfeebe0dd2b4db57ef83837273e1a51891/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f636c6f7564666f726d6174696f6e2d6578616d706c65732f636c6f7564666f726d6174696f6e2d6c61756e63682d737461636b2e706e67)](https://console.aws.amazon.com/cloudformation/home?region=us-east-1#/stacks/new?stackName=DistributedLoadTesting&templateURL=https://s3.amazonaws.com/distributed-load-testing-using-aws-fargate/templates/master.yaml)
 US East (Ohio) | us-east-2 | [![Launch in us-east-2](https://camo.githubusercontent.com/210bb3bfeebe0dd2b4db57ef83837273e1a51891/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f636c6f7564666f726d6174696f6e2d6578616d706c65732f636c6f7564666f726d6174696f6e2d6c61756e63682d737461636b2e706e67)](https://console.aws.amazon.com/cloudformation/home?region=us-east-2#/stacks/new?stackName=DistributedLoadTesting&templateURL=https://s3.amazonaws.com/distributed-load-testing-using-aws-fargate/templates/master.yaml)
 US West (Oregon) | us-west-2 | [![Launch in us-west-2](https://camo.githubusercontent.com/210bb3bfeebe0dd2b4db57ef83837273e1a51891/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f636c6f7564666f726d6174696f6e2d6578616d706c65732f636c6f7564666f726d6174696f6e2d6c61756e63682d737461636b2e706e67)](https://console.aws.amazon.com/cloudformation/home?region=us-west-2#/stacks/new?stackName=DistributedLoadTesting&templateURL=https://s3.amazonaws.com/distributed-load-testing-using-aws-fargate/templates/master.yaml)
+EU West (Ireland) | eu-west-1 | [![Launch in eu-west-1](https://camo.githubusercontent.com/210bb3bfeebe0dd2b4db57ef83837273e1a51891/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f636c6f7564666f726d6174696f6e2d6578616d706c65732f636c6f7564666f726d6174696f6e2d6c61756e63682d737461636b2e706e67)](https://console.aws.amazon.com/cloudformation/home?region=eu-west-1#/stacks/new?stackName=DistributedLoadTesting&templateURL=https://s3.amazonaws.com/distributed-load-testing-using-aws-fargate/templates/master.yaml)
 
 You will notice that the CloudFormation `master` stack expands itself into 4 stacks: The master one, which takes care of 
 creating resources that will be shared across regions like the ECR Registry and the CodePipeline; The VPC nested stack, 
@@ -140,6 +141,7 @@ Additional Region | Region Code | Launch
 US East (N. Virginia) | us-east-1 | [![Launch in us-east-1](https://camo.githubusercontent.com/210bb3bfeebe0dd2b4db57ef83837273e1a51891/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f636c6f7564666f726d6174696f6e2d6578616d706c65732f636c6f7564666f726d6174696f6e2d6c61756e63682d737461636b2e706e67)](https://console.aws.amazon.com/cloudformation/home?region=us-east-1#/stacks/new?stackName=DistributedLoadTesting&templateURL=https://s3.amazonaws.com/distributed-load-testing-using-aws-fargate/templates/additional-region.yaml)
 US East (Ohio) | us-east-2 | [![Launch in us-east-2](https://camo.githubusercontent.com/210bb3bfeebe0dd2b4db57ef83837273e1a51891/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f636c6f7564666f726d6174696f6e2d6578616d706c65732f636c6f7564666f726d6174696f6e2d6c61756e63682d737461636b2e706e67)](https://console.aws.amazon.com/cloudformation/home?region=us-east-2#/stacks/new?stackName=DistributedLoadTesting&templateURL=https://s3.amazonaws.com/distributed-load-testing-using-aws-fargate/templates/additional-region.yaml)
 US West (Oregon) | us-west-2 | [![Launch in us-west-2](https://camo.githubusercontent.com/210bb3bfeebe0dd2b4db57ef83837273e1a51891/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f636c6f7564666f726d6174696f6e2d6578616d706c65732f636c6f7564666f726d6174696f6e2d6c61756e63682d737461636b2e706e67)](https://console.aws.amazon.com/cloudformation/home?region=us-west-2#/stacks/new?stackName=DistributedLoadTesting&templateURL=https://s3.amazonaws.com/distributed-load-testing-using-aws-fargate/templates/additional-region.yaml)
+EU West (Ireland) | eu-west-1 | [![Launch in eu-west-1](https://camo.githubusercontent.com/210bb3bfeebe0dd2b4db57ef83837273e1a51891/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f636c6f7564666f726d6174696f6e2d6578616d706c65732f636c6f7564666f726d6174696f6e2d6c61756e63682d737461636b2e706e67)](https://console.aws.amazon.com/cloudformation/home?region=eu-west-1#/stacks/new?stackName=DistributedLoadTesting&templateURL=https://s3.amazonaws.com/distributed-load-testing-using-aws-fargate/templates/additional-region.yaml)
 
 This stack will ask for 2 parameters: The `DockerRegistryURL` and `TaskExecutionRoleArn`. You can find the values for those
 parameters in the `Outputs` section of the `Master` CloudFormation stack launched in **Step 1**. 

cloudformation/fargate-vpc.yaml

@@ -49,6 +49,10 @@ Mappings:
       az1: us-west-2a
       az2: us-west-2b
       az3: us-west-2c
+    eu-west-1:
+      az1: eu-west-1a
+      az2: eu-west-1b
+      az3: eu-west-1c
 
 Resources:
   DLTVpc: