Squashed 'github.com/artsy/garner/' content from commit 7acfcc6

git-subtree-dir: github.com/artsy/garner
git-subtree-split: 7acfcc6543d6700629053f2938a722df8c46ffa2
Merge commit 'd27fc3146faa9c8cdfc4dccb434de9ea1f80ef2a' as 'github.com/artsy/garner'