Merge branch 'jc/usage-stdin'
authorJunio C Hamano <gitster@pobox.com>
Mon, 26 Oct 2015 22:55:17 +0000 (15:55 -0700)
committerJunio C Hamano <gitster@pobox.com>
Mon, 26 Oct 2015 22:55:17 +0000 (15:55 -0700)
The synopsis text and the usage string of subcommands that read
list of things from the standard input are often shown as if they
only take input from a file on a filesystem, which was misleading.

* jc/usage-stdin:
usage: do not insist that standard input must come from a file

Trivial merge