Merge pull request #57 from nginxinc/apc_lab8_review

Minor updates to lab 8 and images for other labs

Author: apcurrier

labs/lab10/media/NGINXaaS-icon.png

@@ -18,7 +18,7 @@ The data for these will be based on the work done in previous labs.
 
 NGINXaaS for Azure | Grafana
 :-------------------------:|:-------------------------:
-![N4A](media/NGINXaaS-icon.png) | ![Grafana](media/grafana-icon.png)
+![N4A](media/nginx-azure-icon.png) | ![Grafana](media/grafana-icon.png)
 
 ## Learning Objectives