Minor update ignore file; Add pull_all and push_all scripts

_local/pull_all.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# This script will update all local images
+# See: https://github.com/yeasy/docker_practice/blob/master/_local/pull_all.sh
+# Usage:  pull_all
+# Author: yeasy@github
+# Create: 2014-09-23
+
+for image in `sudo docker images|grep -v "REPOSITORY"|grep -v "<none>"|awk '{print $1":"$2}'`
+do
+    sudo docker pull $image
+done
+