1.2.11

[scline]

• Update Docker container to use Centos8 over Centos7
• Close issue #59 - errors with percona on compose single instance; Thank you miguelwill
  • Update docker-comose examples with Mariadb:10.3 from older Percona version
• Close issue #61 - spine directory and crontab empty after docker-compose down and restoring; Thank you kevburkett
  • Update docker-compose with spine volume
• Enable HTTPS functionality and self-sign certs when needed
• Allow functionality to disable PHP-SNMP usagage via PHP_SNMP environment variable se
• Manual patch on provisioning new remote pollers
• Update Cacti and Spine from 1.2.8 to 1.2.11