Add links to MAP-LANG and MCPs to README

It was hard to find the Development process.

README.md

@@ -1,5 +1,5 @@
 # ModelicaSpecification
-This repository contains the Modelica Language Specification, hosted at https://github.com/modelica/ModelicaSpecification.
+This repository contains the Modelica Language Specification, hosted at https://github.com/modelica/ModelicaSpecification. Development is organized within the [Modelica Association Project Language (MAP-LANG)](https://modelica.org/projects).
 
 ## Build status
 [![Build Status](https://travis-ci.org/modelica/ModelicaSpecification.svg)](https://travis-ci.org/modelica/ModelicaSpecification)
@@ -36,7 +36,10 @@ More Info on released versions: https://www.modelica.org/documents
 ## Contribution
 1. If you find an error and are not certain that you can correct it, first check that it is not already reported and then open an [issue](https://github.com/modelica/ModelicaSpecification/issues) describing it in detail - focusing on why it should be changed.
 2. If you are confident that you can correct the issue, fork this repository and create a pull-request and in the pull-request explain the issue and the correction; you will also have to sign a CLA.
-3. Significant extensions are handled as Modelica Change Proposals. (Template to follow.) This can start as a simple description of the proposed extension. It will then be worked on to have a rationale explaining how the change help users, and demonstrating that it can be implemented efficiently; and finally a pull-request with the changes.
+3. Significant extensions are handled as Modelica Change Proposals (MCPs, Template to follow.) This can start as a simple description of the proposed extension. It will then be worked on to have a rationale explaining how the change help users, and demonstrating that it can be implemented efficiently; and finally a pull-request with the changes.
+
+For more details, see the [Development Process](https://github.com/modelica/ModelicaSpecification/blob/master/RationaleMCP/DevelopmentProcess.md).
+A list of MCPs can be found here: [RationaleMCP](https://github.com/modelica/ModelicaSpecification/tree/master/RationaleMCP).
 
 CLA: Contributor's license agreement. (Details to follow.)