Put expected-actual-diff image paths each alone on a line, so it’s easier to turn them into 'open' commands or to pick them out to open in other ways.

DELTA=3  (0 added, 0 deleted, 3 changed)

git-svn-id: http://google-toolbox-for-mac.googlecode.com/svn/trunk@639 7dc7ac4e-7543-0410-b95c-c1676fc8e2a3