readme: add Wolfgang as contributor

Author: jcarpent

README.md

@@ -69,6 +69,7 @@ The following people have been involved in the development of **EigenPy**:
 
 - [Justin Carpentier](https://jcarpent.github.io) (INRIA): main developer and manager of the project
 - [Nicolas Mansard](http://projects.laas.fr/gepetto/index.php/Members/NicolasMansard) (LAAS-CNRS): initial project instructor
+- [Wolfgang Merkt](http://www.wolfgangmerkt.com/) (University of Edinburgh): ROS integration and support
 
 If you have taken part to the development of **EigenPy**, feel free to add your name and contribution here.