Upgrade from Azure Storage v3.1.0.1 to v4.2.0 just to get to the latest version.
Update MVC and WebAPI to the latest version 5.2.0.
Upgrades to Azure SDK 2.4 and also upgrades Microsoft.WindowsAzure.Caching.2.3.1.0 to Microsoft.WindowsAzure.Caching.2.4.0.0.
Modify the Azure DataCache implementations to take advantage of connection pooling and SSL.  Also start maintaining the reference to the _cacheFactory as well according to the recommendations (http://msdn.microsoft.com/en-us/library/azure/hh552970.aspx).