Gracefull down of c++ standart version

Add stress-test shell script

server-test.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+if [[ $# -lt 1 ]]; then
+  echo "no client path!"
+  exit 1
+fi
+COUNTER=0
+while [[ COUNTER -lt 500 ]]; do
+  ./$1 < Doxyfile > /dev/null &
+  let COUNTER++
+done
+echo "finish"