Squashed 'vendor/bats/' content from commit 7b032e4

git-subtree-dir: vendor/bats
git-subtree-split: 7b032e4b232666ee24f150338bad73de65c7b99d
Merge commit '9438164f84718801c376ec23f26b302ba8f55bae' as 'vendor/bats'
Add tron
Got find/xarg pipe working
Add printing for `tron run`