v2.7.1 - Freedom Flotilla 🇵🇸

• Update required dependencies
• Improve Nginx installation from source, update module version, improve config, etc
• Improve Nginx fastcgi cache purging rules
• Improve PHP multiple version installation
• Add mariadb init script
• CLI update: improve lemper-cli plugins
• CLI update: improve mysql command
• Update Fail2ban default version to 1.1.0
• Fix certbot renewal cronjob