- Prevent endless loop when timezone config is not found. Thanks Joshua Colson.
- Fix IMAP error when returning to message from viewing image attachment.
- Do more trimming to indented subjects in threadview so they don't wrap.
- - New function in imap_mailbox.php: sqimap_mailbox_has_children.
- Trash folder now displays purge link in all cases. (Closes #655943)