Update Tutorial Deploy App to use the "control plane" terminology.

* Update page content/en/docs/tutorials/kubernetes-basics/deploy-app/deploy-intro.html
* Update image content/en/docs/tutorials/kubernetes-basics/public/images/module_02_first_app.svg

Signed-off-by: Jailton Lopes <jailton@gmail.com>

Author: jailton

content/en/docs/tutorials/kubernetes-basics/deploy-app/deploy-intro.html

@@ -31,7 +31,7 @@ <h3>Kubernetes Deployments</h3>
                 Once you have a running Kubernetes cluster, you can deploy your containerized applications on top of it.
                 To do so, you create a Kubernetes <b>Deployment</b> configuration. The Deployment instructs Kubernetes
                 how to create and update instances of your application. Once you've created a Deployment, the Kubernetes
-                master schedules the application instances included in that Deployment to run on individual Nodes in the
+                control plane schedules the application instances included in that Deployment to run on individual Nodes in the
                 cluster.
                 </p>