Use the official Swift docker image for testing

This switches out the docker image used for Swift in our docker-compose
setup. It also adds a small script to modify the default config in that
image to allow it to be used with a StoryBoard development instance.

Change-Id: I6371eef0b54df16a8855f8cbcfcead4dd4234d10

docker/docker-compose.yml

@@ -19,8 +19,8 @@ services:
       - RABBITMQ_DEFAULT_PASS=storyboard
 
   swift:
-    image: "bouncestorage/swift-aio"
+    image: "openstackswift/saio"
     ports:
       - "8888:8080"
     volumes:
-      - "./swift:/swift/nodes"
+      - "./fix-ini.sh:/etc/cont-init.d/fix-init.sh"

docker/fix-ini.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+sed -i 's/ s3api//' /etc/swift/proxy-server.conf
+sed -i '/user = swift/a cors_allow_origin = http://localhost:9000' /etc/swift/proxy-server.conf