Fix interactive graph tests

"prosoda dynamic" is "codeface dyamic" these days since
the project name changed ages ago.

Signed-off-by: Wolfgang Mauerer <wolfgang.mauerer@oth-regensburg.de>

test_graphs.sh

@@ -13,8 +13,8 @@ echo 'This script will serve each dynamic graph in sequence.'
 echo 'Press CTRL-C to advance to the next graph; refresh the browser, and check if the graph is working'
 echo
 echo
-for graph in $(prosoda dynamic --list | tail -n +2 | cut -b4-); do 
+for graph in $(codeface dynamic --list | tail -n +2 | cut -b4-); do 
     echo "Showing graph: $graph"
-    prosoda dynamic $graph
+    codeface dynamic $graph
 done
 echo 'All graphs served.'