Bug 952484 - [Messages][Drafts] We should not show the "replace draft" screen if the user has not changed the draft r=rwaldron
Bug 952519 - [Messages][Drafts] Save invalid recipients to draft

https://bugzilla.mozilla.org/show_bug.cgi?id=952519
Signed-off-by: Rick Waldron <waldron.rick@gmail.com>