initial commit
Add 'vendor/' from commit '8a05d86f58177ab810357056d034fd275e5de055'

git-subtree-dir: vendor
git-subtree-mainline: 17c450f644fc2b8d3329cbe0e42706f999729a7f
git-subtree-split: 8a05d86f58177ab810357056d034fd275e5de055