Release 1.2.13

• Initial implementation terminal user interface
• Netmail view counter
• UI style improvements
• Provide echomail/nemtail/file area counter on UI side
• Process my own message (echomail message)
• Remove Netmail message
• Manual create echomail area in UI
• Purge echomail area
• Remove echomail area
• Download file with original filename
• Change audio in mailer