Squashed 'floo/common/' changes from 772fc6a..fe39e48

fe39e48 Re-add common changes after subtree add.
ad76d66 Remove unused sublime import.

git-subtree-dir: floo/common
git-subtree-split: fe39e485861126e27deaaa32bd875e589a90b845
Merge commit '6375fee8978b5675826b961c756727f01c94965f'
Extra newline.
Tag new release: 3.1.19