Readme link outated

[Readme](https://github.com/Azure/azure-quickstart-templates/tree/master/201-eventhubs-create-namespace-and-enable-capture)

### Issue Details

The link provided in Readme is wrong:

> "For information about using this template, see Create an Event Hubs namespace with Event Hub and enable Capture using an ARM template "

It is: http://azure.microsoft.com/documentation/articles/event-hubs-create-event-hub-and-enable-capture
should be: https://docs.microsoft.com/en-us/azure/event-hubs/event-hubs-resource-manager-namespace-event-hub-enable-capture

### Repro steps
1. click on the blue link in the Readme
2. see it link to the main page of the Azure document, instead of doc for creating EH with capture

Open the README for 201-eventhubs-create-namespace-and-enable-capture and find the Event Hubs Capture documentation link described in the issue. Replace the outdated destination with the specified Azure documentation URL, then click the README link to verify it opens the page for creating an Event Hubs namespace and enabling Capture.

Written by the indexing model from the issue text.