Init of analysis work file for mail

Signed-off-by: Sandy Carter <sandy.carter@savoirfairelinux.com>
Add pre and post migration scripts for mail

Migrate selections for notifications to new selection options
Move 'server_id' and 'reply_to' from mail.mail to mail.message

Signed-off-by: Sandy Carter <sandy.carter@savoirfairelinux.com>