Add 'modules/' from commit '8f055d23a690d1f6de0bad31c375c6666fececc4'

git-subtree-dir: modules
git-subtree-mainline: 595f05b571f8769a46d9bb041998454170068c90
git-subtree-split: 8f055d23a690d1f6de0bad31c375c6666fececc4