Major revision of FastCGI/PHP article on IIS.NET

Since the time we have published the article about installing FastCGI and PHP on IIS 7.0 it has become one of the most popular articles on http://learn.iis.net. Also it has received a lot of comments from site visitors. Today, we are publishing the updated version of this article that contains more up-to-date information and addresses most of the feedback from community. Here is what this article includes now: