adding ubuntu 12.10 template; updating existing ubuntu templates to use sha1sums, not install chef, and use proper sudoers script. these changes still need to be tested by I am on questionable wifi at the moment
moving shutdown script to file provisioner so that the echo statement wont fail with the no disk space error; updating the README file to reflect that we are moving to packer; adding a Thorfile to perform common batch tasks
Merge branch 'packer' of github.com:tduffield/bento into packer