Change destination of purge log output

Author: vogti

src/main/java/org/polypheny/control/control/Control.java

@@ -134,7 +134,7 @@ public void purgePolyphenyFolder( Context ctx ) {
             getClientCommunicationStream( ctx, "Running in Polyfier mode, all commands are ignored!" );
             return;
         }
-        ctx.result( gson.toJson( ServiceManager.purgePolyphenyFolder( getClientCommunicationStream( ctx, "updateOutput" ) ) ) );
+        ctx.result( gson.toJson( ServiceManager.purgePolyphenyFolder( getClientCommunicationStream( ctx, "logOutput" ) ) ) );
     }