Update copyright in about pages
Display notice that message is encrypted also for application/pkcs7-mime messages (#1488526)
Add 0.9-rc section
Update changelog
Use rcube_utils::parse_host() for host config in smb driver (#1488784)
Display user-friendly message on IMAP "over quota" errors (#1484164)
Even better message on over quota error in move to trash operation (#1484164)