Squashed 'importmagic/' changes from f879269..12e0e54

12e0e54 More README updates.

git-subtree-dir: importmagic
git-subtree-split: 12e0e54b971bc51cc3ed804c12bb68743de1834b
Merge commit '1476df71ff327307ec94b6598a1ca55eb5b67a8c'