Squashed 'direc3/' changes from 6d2f42d..2a6ab03

2a6ab03 added

git-subtree-dir: direc3
git-subtree-split: 2a6ab03d09e9b63808b9fce602724ea3008fcf03
Merge commit 'dc87e19ec352f3a1230c7c743f9a1ee9115604ce'