MSDN Vintage

This extension simply puts a watermark on MSDN .NET pages that are not version 4.5.

Info on Chrome extensions: http://developer.chrome.com/extensions/getstarted.html and http://www.informit.com/articles/article.aspx?p=1916420

Debugging/testing chrome extension: http://developer.chrome.com/extensions/tut_debugging.html

TODO: Support true "current" version instead of assuming 4.5 is the current version.