fixed bug in i3config, fixed symlinks, added backupfunction for old configs

i3wm/util/wallpapers.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+PICTURES="$HOME/.wallpapers/"
+SHOWTIME="10m"
+
+while true; do
+    find $PICTURES -type f \( -name '*.jpg' -o -name '*.png' \) -print0 | shuf -n1 -z | xargs -0 feh --bg-scale
+    sleep $SHOWTIME
+done
+