Updated google middleware NuGet package to support google authentication with OAuth2
Updated Owin.Security.Facebook package to address issue with FB integration (http://stackoverflow.com/questions/20206209/mvc5-google-login-fails). Added appId and appSecret to the Startup class.
Updated AspNetUsers model to include home town and birth date attributes. Updated the account controller and external login confirmation view to accept these new attributes and store them in the model upon registration.

Created and ran db migrations for the new attributes.