Clean up the readme file

Author: asbjornu

README.md

@@ -1,32 +1,40 @@
-json-ld.net
-==========
+# json-ld.net
 
-A JSON-LD processor for .NET. 
+A JSON-LD processor for .NET.
 
-v1.0.5 is available on NuGet.org at https://www.nuget.org/packages/json-ld.net/
+[v1.0.5 is available on NuGet.org][nuget].
 
-This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
+This project has adopted the [Microsoft Open Source Code of Conduct][coc].
+For more information see the [Code of Conduct FAQ][coc-faq] or contact
+[opencode@microsoft.com][ms-mail] with any additional questions or comments.
 
-#### Supported frameworks
+## Supported frameworks
 
-* NET 4.0
-* NETStandard 1.3
-* Portable NET 4.5, Windows 8
+* .NET 4.0
+* .NET Standard 1.3 and 2.0
+* Portable .NET 4.5, Windows 8
 
-Contributing
-=====
+## Contributing
 
-Pull requests for json-ld.net are welcome, to get started install the latest tools for .NET Core
+Pull requests for json-ld.net are welcome, to get started install the latest
+tools for .NET Core:
 
-* https://dot.net
-* https://www.microsoft.com/net/core
+* [.NET Core][dnc]
+* [.NET Core tutorial][dnc-tutorial]
 
-build.ps1 will create a nupkg and run tests for both .NET desktop and .NET Core.
+`build.ps1` will create a nupkg and run tests for both .NET desktop and .NET
+Core.
 
+## Origin
 
-Origin
-=====
-This project began life as a [Sharpen][sharpen]-based auto-port from [jsonld-java][jsonld-java].
+This project began life as a [Sharpen][sharpen]-based auto-port from
+[jsonld-java][jsonld-java].
 
-  [sharpen]: http://community.versant.com/Projects/html/projectspaces/db4o_product_design/sharpen.html
-  [jsonld-java]: https://github.com/jsonld-java/jsonld-java
+  [sharpen]:      http://community.versant.com/Projects/html/projectspaces/db4o_product_design/sharpen.html
+  [jsonld-java]:  https://github.com/jsonld-java/jsonld-java
+  [nuget]:        https://www.nuget.org/packages/json-ld.net/
+  [coc]:          https://opensource.microsoft.com/codeofconduct/
+  [coc-faq]:      https://opensource.microsoft.com/codeofconduct/faq/
+  [ms-mail]:      mailto:opencode@microsoft.com
+  [dnc]:          https://dot.net
+  [dnc-tutorial]: https://www.microsoft.com/net/core