Merge branch 'jk/command-line-config-empty-string' into maint

* jk/command-line-config-empty-string: config: teach "git -c" to recognize an empty string Conflicts: config.c

Junio C Hamano committed Sep 19, 2014 at 14:05 UTC 04cd47f553796263451c946061e175d847f388c3

No changes.