Update README.md

Sigh!!!! .... it was missing the links.

Author: KevinRansom

README.md

@@ -29,29 +29,29 @@ Quickstart guides for build and test can be found [here](https://github.com/Micr
 
 ###Required Tools for Windows Development and Testing
 
-####Development tools
+###Development tools
 
 For F# 3.1.X development
 
-* Visual Studio 2013 + latest updates (or the free Visual Studio Community Edition)
-* Visual Studio 2013 SDK
+- [Visual Studio 2013](http://www.visualstudio.com/en-us/downloads) + latest updates (or the free [Visual Studio Community Edition](http://www.visualstudio.com/products/visual-studio-community-vs))
+- [Visual Studio 2013 SDK](https://www.microsoft.com/en-us/download/details.aspx?id=40758)
 
 For F# 4.0 development
 
-* Visual Studio 2015
-* Visual Studio 2015 SDK
+- [Visual Studio 2015](http://www.visualstudio.com/en-us/downloads/visual-studio-2015-downloads-vs)
+- [Visual Studio 2015 SDK](http://www.visualstudio.com/en-us/downloads/visual-studio-2015-downloads-vs)
 
-####Additional frameworks
+###Additional frameworks
 
-* Git for windows
-* Perl (ActiveState 5.16.3 is known to be supported)
-* .NET 3.5
-* .NET 4.5
-* .NET 4.5.1
-* MSBuild 12.0
-* Windows 7 SDK
-* Windows 8 SDK
-* Windows 8.1 SDK
+- [Git for windows](http://msysgit.github.io/)
+- [Perl](http://www.perl.org/get.html#win32) (ActiveState 5.16.3 is known to be supported)
+- [.NET 3.5](http://www.microsoft.com/en-us/download/details.aspx?id=21)
+- [.NET 4.5](http://www.microsoft.com/en-us/download/details.aspx?id=30653)
+- [.NET 4.5.1](http://www.microsoft.com/en-us/download/details.aspx?id=40779)
+- [MSBuild 12.0](http://www.microsoft.com/en-us/download/details.aspx?id=40760)
+- [Windows 7 SDK](http://www.microsoft.com/en-us/download/details.aspx?id=8279)
+- [Windows 8 SDK](http://msdn.microsoft.com/en-us/windows/desktop/hh852363.aspx)
+- [Windows 8.1 SDK](http://msdn.microsoft.com/en-us/library/windows/desktop/bg162891.aspx)
 
 ###Contributing