It's worth checking for updates periodically because the toolset is constantly changing to match updates and new features in Azure. We can see notifications in the notifications hub (http://blogs.msdn.com/b/visualstudio/archive/2013/09/16/notifications-in-visual-studio-2013.aspx) and also by going to TOOLS | Extensions and Updates..., as shown in the following screenshot:
Then, update all the extensions and updates you need. There are two important ones for us here, Visual Studio 2013 Update 1 and Windows Azure SDK 2.3: