to avoid being considered as spam, our emails need a decent From: field, then added it to settings
removal of the Bcc: sending of email, adopted a more classical To: delivery, and fixed bug #463 on the way
Destroy sender_email setting on downward migration
Merge branch 'dev' into locale-0.8-french
Changed wording of Email sender setting
work in progress
Merge branch 'dev' into locale-0.8-french