bug 522296, bustage fixes for cross-repo-changesets landing
bug 522296, bustage fixes for cross-repo-changesets landing

AdrianGaudebert/elmo,Pike/elmo,AdrianGaudebert/elmo,AdrianGaudebert/elmo,Pike/elmo,mozilla/elmo,Pike/elmo,Pike/elmo,mozilla/elmo,mozilla/elmo,mozilla/elmo