Merge branch 'sb/submodule-doc'
authorJunio C Hamano <gitster@pobox.com>
Wed, 15 Feb 2017 20:54:18 +0000 (12:54 -0800)
committerJunio C Hamano <gitster@pobox.com>
Wed, 15 Feb 2017 20:54:18 +0000 (12:54 -0800)
Doc updates.

* sb/submodule-doc:
submodule update documentation: don't repeat ourselves
submodule documentation: add options to the subcommand

Trivial merge