git move branch
Add 'gitbm/' from commit '6ba600d78b0073eac67fc941d874f2760ee54cd4'

git-subtree-dir: gitbm
git-subtree-mainline: 72610d9b0435af356262322508115a198b09564a
git-subtree-split: 6ba600d78b0073eac67fc941d874f2760ee54cd4
git branch move
clean and link gitbm
Merge commit gitbm