Scrip for docker image cleaning without base image

Change-Id: Iebb5c58213706e1bb92912f75ec99229dd4c2b05
Issue-ID: SDC-143
Signed-off-by: Tal Gitelman <tg851x@intl.att.com>
diff --git a/sdc-os-chef/scripts/clean_images_except_base.sh b/sdc-os-chef/scripts/clean_images_except_base.sh
new file mode 100644
index 0000000..77e143a
--- /dev/null
+++ b/sdc-os-chef/scripts/clean_images_except_base.sh
@@ -0,0 +1 @@
+docker rmi -f `docker images | grep -v base | awk '{print $3}'`