Send client side errors to server
Fix actions on cenversations
Fix conversations patching
Add alternative layouts (horizontal and three columns)
Alternate between favorites and all mailboxes in menu
Better sort folders
add missing locale 'content'
fix content locale key
Refactoring of responsive menu
Better error handling
Autosave drafts
Fix mailbox weight
Autosave fix
Useless recent refactoring
Minor CSS fixes
fix font
use stylesheet for mails styles
fix race condition on contacts loading
Update fr.coffee

trivial (http://www.cnrtl.fr/definition/réessayer)
fix locale "content"