Update installation.md

Demographic-Data-Server/installation.md

@@ -14,12 +14,12 @@ customer: IHE-EUROPE
 
 Demographic Data Server is a maven project. Sources are available on the INRIA Source Forge at the following URL:
 
-[*https://gforge.inria.fr/scm/viewvc.php/gazelle/Maven/DemographicDataServer/?root=gazelle*](https://gforge.inria.fr/scm/viewvc.php/gazelle/Maven/DemographicDataServer/?root=gazelle)
+[*https://gitlab.inria.fr/gazelle/applications/test-design/DemographicDataServer.git*](https://gitlab.inria.fr/gazelle/applications/test-design/DemographicDataServer.git)
 
 If you'd like to checkout the sources on your system you might want to use the following svn command, provided subversion is installed on your system.
 
 ```bash
-svn checkout svn://scm.gforge.inria.fr/svn/gazelle/Maven/DemographicDataServer/trunk
+git clone https://gitlab.inria.fr/gazelle/applications/test-design/DemographicDataServer.git
 ```
 
 Note that the latest executable can be extracted from our nexus repository as well  at