Merge branch 'fg/submodule-clone-depth'

Allow shallow-cloning of submodules with "git submodule update". * fg/submodule-clone-depth: Add --depth to submodule update/add

Junio C Hamano committed Jul 15, 2013 at 10:28 UTC 2bb7aface663f4d9f01d08282ee38cf8f636df0d

No changes.