added redis tools

src/redis_tools/flush-all.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+read -p "Really delete all redis data? " -n 1 -r
+echo
+if [[ $REPLY =~ ^[Yy]$ ]]
+then
+    for i in `seq 2337 2344`; do redis-cli -p "$i" flushall; done
+fi