Fix problem where security warning was displayed for valid images with image/jpg type (#1489097)
Add attachment_reminder localizations to Transifex
Fix SMTP connection using IPv6 address in smtp_server option (#1489024), update Net_Socket package
Simplify/fix debug lines truncation
Add header for new plugin localization template
Synced localizations from Transifex
Merge branch 'master' of github.com:roundcube/roundcubemail
Small fix to the printed debug message
Added rcube_plugin::add_label() method
Move rcmail::deliver_message() to framework for common use
Fix Net_Socket bug with no timeout (failed connection in managesieve plugin)
Merge branch 'master' of github.com:roundcube/roundcubemail
Replaced German labels for from/to with more common words in order to avoid conflicts with 'sender' (#1489084)
Merge branch 'master' of github.com:roundcube/roundcubemail
Add 0.9.1 section in changelog
Add 0.9.1 to releases list