metomi/rose — pull request #782 by matthewrmshin (2013-07-03 09:23:05+00:00)
Title: rose.popen: print `return-code` instead of rc

Supersede metomi/rose#778, but use hyphen instead of space between
`return` and `code`. This should make it easier to parse.

Modify `rose test-battery` for the change.