Merge branch 'th/difftool-diffall'

Finishing touches to difftool --dirdiff. * th/difftool-diffall: difftool: only copy back files modified during directory diff

Junio C Hamano committed Jul 23, 2012 at 20:56 UTC b18c74c92f53572896b6f98cf69fe08c65ae2455

No changes.