v2.4.0

• Removed creation of node config backup file
• Improved update and upgrade commands
• Added remote node controller
• Added mtc installation with backup (-p flag)
• Added creation pip config on new installations
• Added Prometheus metrics pusher
• Added info alerts on validator's stake acceptance/returning
• Added alerts if validator's stake was not accepted/returned
• Added alerts on voting proposals
• Fixed restore_backup if backup file not exists
• Fixed installation with dump in testnet
• Added ExecStartPre=/bin/sleep 2