Add id for login submit button (#1489676) - make it skin independent
Make sure attachment ID is really unique when uploading multiple files (#1489546)
Add labels for 'n' ACL (RFC 5257)
Fix message import dialog (#1489685):
- Display alert if no file is chosen
- Unlock the UI if form is not submitted
- Avoid duplicate error messages
- Fix javascript error due to missing attachments list widget
Update changelog
Trim search filter to prevent from creating invalid search criteria when skip_deleted = true.