update URL to new git-ce

setup.sh

@@ -61,7 +61,7 @@ function manage_plugins() {
     path=$(git config -f .gitmodules --get "submodule.Plugins/unrealplugins.path")
     if [ $? -ne 0 ]
     then
-        git submodule add -f -b master https://devhub.vr.rwth-aachen.de/VR-Group/unreal-development/unrealplugins.git Plugins/unrealplugins
+        git submodule add -f -b master https://git-ce.rwth-aachen.de/vr-vis/VR-Group/unreal-development/unrealplugins.git Plugins/unrealplugins
     else
         cd Plugins/unrealplugins
         git pull