Improvements

• Added "Resent-Date" and "Resent-Message-ID" headers when redirecting messages
• Global Preferences and Backup/Restore dialogs sizing strategy is optimized for low-resolution displays

Fixes

• It was sometimes impossible to delete an email address in contact's properties
• Double-click word selection errors in PureHTML editor
• Crash on attempt to launch a mass mailing from the Address Book (new interface)
• TAB/Shift+Tab misbehaved in PureHTML editor
• Address Group choice was ignored when adding a contact from an email