Fixes bug 814647 - Automatically send emails to all users that crash.
refactoring for crontabber job integration tests
Fixes bug 814647 - Polished automatic emails, added an integration test for exacttarget.
Fixes bug 814647 - Added a test mode to prevent unexpected email sending.
Fixes bug 814647 - Added a test to verify an email cannot be sent twice, fixed a few issues.
Merge pull request #1026 from AdrianGaudebert/814647-email-every-user

Fixes bug 814647 - Automatically send emails to all users that crash.