Updating modules version:

• Traefik 1.4.3 -> 1.4.6
• PHP-FPM stack:
  • PHP-FPM 7.1.11 -> 7.1.12
  • APCu 5.1.8 -> 5.1.9
  • PHP extension for Redis 3.1.4 -> 3.1.6
  • Composer 1.5.2 -> 1.6.2
  • PHP Coding Standards Fixer 2.8.2 -> 2.9.0
  • NodeJS 8.9.1 -> 8.9.4
• Graylog stack:
  • MongoDB 3.4.10 -> 3.6.1
  • Graylog Server 2.3.2-2 -> 2.4.0-1
• PhpMyAdmin 4.7.5-1 -> 4.7.7-1
• RabbitMQ 3.6.14 -> 3.7.2