Update expected image following PIL->Pillow switch (bug 915742)
Re-remove the no longer needed update_developer_name task (bug 911998)
Merge pull request #1853 from diox/fix-image-test-pilloz

Update expected image following PIL->Pillow switch (bug 915742)
Merge pull request #1855 from diox/re-remove-update-developer-name-task

Re-remove the no longer needed update_developer_name task (bug 911998)
Fix wrongly caught UnicodeDecodeError in reviewers notification (bug 982031)
Merge pull request #1854 from diox/fix-reviewers-message-unicode

Fix wrongly caught UnicodeDecodeError in reviewers notification (bug 982031)
Make this test more robust to fix intermittent jenkins errors