Merge pull request #54 from bjaglin/fixbuild

Fix build
map docker pause/unpause
Merge pull request #56 from bjaglin/freezer

Map docker pause/unpause
Add containers mentioned in volumes-from to dependencies as well
Download 0.8.1 by default
fix indentation in yaml example

Previously was not valid yaml. The 'image' and 'run' attributes have to be inline with 'name'. Also replaced tabs with spaces in the example, but that was just tidying up since when copying and pasting from the README the tabs weren't transferred.
Merge pull request #60 from eggtree/patch-1

fix indentation in yaml example
ensure env variables are expanded in dependencies
targetedContainers consistently return raw names, do expansion afterwards
emphasize that parsed values are raw
order-related functions deal with expanded values, don't mutate raw fields
add test about filtering