Merge branch 'sb/clone-shallow-passthru'

"git clone" learned "--shallow-submodules" option. * sb/clone-shallow-passthru: clone: add `--shallow-submodules` flag

Junio C Hamano committed May 6, 2016 at 14:45 UTC 5f3b21c1119abc7e19c988b399c7726d47bbb0d1

No changes.