Readme: switch to version badges with stats, separate MKL and OpenBLAS versions

README.md

@@ -19,9 +19,10 @@ Math.NET Numerics is covered under the terms of the [MIT/X11](LICENSE.md) licens
 
 ### Current Version
 
-![Math.NET Numerics Version](http://img.shields.io/nuget/v/MathNet.Numerics.svg?style=flat) Math.NET Numerics  
+![Math.NET Numerics Version](https://buildstats.info/nuget/MathNet.Numerics) Math.NET Numerics
-![Native Providers Version](http://img.shields.io/nuget/v/MathNet.Numerics.MKL.Win-x64.svg?style=flat) Native Providers  
+![MKL Native Provider Version](https://buildstats.info/nuget/MathNet.Numerics.MKL.Win) MKL Native Provider
-![Data Extensions Version](http://img.shields.io/nuget/v/MathNet.Numerics.Data.Text.svg?style=flat) Data Extensions
+![OpenBLAS Native Provider Version](https://buildstats.info/nuget/MathNet.Numerics.OpenBLAS.Win) OpenBLAS Native Provider
+![Data Extensions Version](https://buildstats.info/nuget/MathNet.Numerics.Data.Text) Data Extensions
 
 Installation Instructions
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