Fix url
Merge pull request #109 from sanrodari/patch-1

Fix Homebrew url
Add "set -e" to make_iso.sh

This way, if a command fails, the script stops instead of barrelling onwards.

Fixes #116
port patch to lxc-0.8.0 as thats the most stable version for docker
lxc 0.8.0 has bash bang lines
lxc-0.8.0 has bash-isms, so rather than patching the scripts and getting something unsupportable, I'm adding bash :/
If downloading docker is in the buildfile, then we cna over-ride it using a new Dockerfile
Merge pull request #115 from SvenDowideit/use-stable-lxc

Use stable lxc - 0.8.0 - its been found to be the most stable to run docker on
Merge pull request #117 from tianon/patch-2

Add "set -e" to make_iso.sh so we see errors sooner
add an example over-ride that uses the test.docker.io build
Merge pull request #119 from SvenDowideit/download-docker-during-build

If downloading docker is in the buildfile, then we can over-ride it using a new Dockerfile