Merge pull request umbraco-community#52 from Matthew-Wise/patch-2

Add the Health checks package

Author: leekelleher

README.md

@@ -107,6 +107,7 @@ Please note * indicates that the package is commercial or may require a license
 * [Diplo Trace Log Viewer](https://our.umbraco.org/projects/developer-tools/diplo-trace-log-viewer/) - view Umbraco log files directly from the Developer section in Umbraco.
 * [Optimus](https://our.umbraco.org/projects/developer-tools/optimus) - Bundling and minification of your CSS and Javascript.
 * [uSync](https://our.umbraco.org/projects/developer-tools/usync/) - Syncing tool for reading and writing the database elements to disk.
+* [Our HealthChecks](https://our.umbraco.com/packages/backoffice-extensions/ourumbracohealthchecks/) - Adds addtional health checks to the back office.
 
 ### Deployment