style(images): convert to relative paths

Author: slack

src/quickstart/provider/azure-acs/boot.md

@@ -46,11 +46,11 @@ $ az ad sp create-for-rbac --name="http://workflow-on-acs" --role="Contributor"
 
 Sign into the [Azure Portal](https://portal.azure.com) and create a new Azure Container Service:
 
-![](/quickstart/provider/azure-acs/images/step1.png)
+![](images/step1.png)
 
 Select "Resource Manager" for the deployment model:
 
-![](/quickstart/provider/azure-acs/images/step2.png)
+![](images/step2.png)
 
 Provide basic settings for your Kubernetes cluster.
 
@@ -62,32 +62,32 @@ Provide basic settings for your Kubernetes cluster.
 
 When you have filled out the information, click "Ok".
 
-![](/quickstart/provider/azure-acs/images/step3.png)
+![](images/step3.png)
 
 The next step takes the Service Principle name and password generated using the Azure CLI.
 
 * Service Priciple Client ID: the name of the principle created above e.g. `http://workflow-on-acs`
 * Service Priciple Client Secret: the password returned by the Azure CLI e.g. 349d4728-438a-52a5-ad25-a740aa0bd240
 
-![](/quickstart/provider/azure-acs/images/step4.png)
+![](images/step4.png)
 
 Next, configure the number of worker nodes, the node size, and DNS prefix for your cluster.
 
 Worker nodes should have at least 7GB of available RAM.
 
 Click "Ok" to continue.
 
-![](/quickstart/provider/azure-acs/images/step5.png)
+![](images/step5.png)
 
 Review the cluster configuration and click "Ok". After clicking "Purchase" on the next screen you will be returned to the Azure Portal dashboard.
 
-![](/quickstart/provider/azure-acs/images/step6.png)
+![](images/step6.png)
 
 The Kubernetes cluster will take a few minutes to complete provisioning and configure itself. To monitor the progress of the deployment select the "Resource Group" from the nav on the left, then select the cluster name:
 
-![](/quickstart/provider/azure-acs/images/step8.png)
+![](images/step8.png)
 
-![](/quickstart/provider/azure-acs/images/step9.png)
+![](images/step9.png)
 
 Path 2: ACS Engine