New patterns & practices node in the MSDN Library

It was released an improved structure for the patterns & practices node in the MSDN Library.

You can find the new top level page here: https://msdn.microsoft.com/en-us/library/ms998572.aspx

The catalog of p&p offerings has now couple general categories like: Solution Development Fundamentals, Client Development, Server Development, and Services Development making easier to navigate.

It also clarify which releases are current (for use with the current versions of Microsoft products and technologies), which are previous but still useful, and which releases are retired and should no longer be used.