coreos/azure: Pass number of minions as an argument

docs/getting-started-guides/coreos/azure/README.md

@@ -96,9 +96,9 @@ First, lets set the size of new VMs:
 ```
 export AZ_VM_SIZE=Large
 ```
-Now, run resize script with state file of the previous deployment:
+Now, run resize script with state file of the previous deployment and number of minions to add:
 ```
-./resize-kubernetes-cluster.js ./output/kubernetes_1c1496016083b4_deployment.yml
+./resize-kubernetes-cluster.js ./output/kubernetes_1c1496016083b4_deployment.yml 2
 ...
 azure_wrapper/info: Saved SSH config, you can use it like so: `ssh -F  ./output/kubernetes_8f984af944f572_ssh_conf <hostname>`
 azure_wrapper/info: The hosts in this deployment are:

docs/getting-started-guides/coreos/azure/resize-kubernetes-cluster.js

@@ -3,7 +3,7 @@
 var azure = require('./lib/azure_wrapper.js');
 var kube = require('./lib/deployment_logic/kubernetes.js');
 
-azure.load_state_for_resizing(process.argv[2], 'kube', 2);
+azure.load_state_for_resizing(process.argv[2], 'kube', parseInt(process.argv[3] || 1));
 
 azure.run_task_queue([
   azure.queue_machines('kube', 'stable', kube.create_node_cloud_config),