infochimps-labs/ironfan — pull request #169 by mrflip (2012-09-24 09:05:06+00:00)
Title:  bootstrap_distro and ssh_user fall back to image_info value (fixes #164)

Main fix is to set the default for those to fall back to image_info[:xx].
Also put in some helpers to shield the feature jealousy everyone has for computers' attributes' attributes.