First commit
Add 'commun/' from commit 'd6f1bb9da92c5619ede12b4881f6a2e459aac34e'

git-subtree-dir: commun
git-subtree-mainline: 5e4715395eb6f278a4abeefbcbff42dc8c200ce7
git-subtree-split: d6f1bb9da92c5619ede12b4881f6a2e459aac34e