Squashed 'bundle/ack/' content from commit e93f693

git-subtree-dir: bundle/ack
git-subtree-split: e93f693fd2a9940d6421bf9e4ddd1f535994eaa5
Merge commit '8fd9c4b8c722a7e2075a5932f9e5ef8cec0864fe' as 'bundle/ack'