Refactoring for Ansible 2.10

• Added Ansible 2.10 support using collection community.mysql
• Fixed #13
• Fixed #18
• Fixed #21
• Fixed #22
• Updated docs

New release supporting Molecule 3.*

• Updated tests for Molecule 3.*
• Fixed issues for new MySQL and Mariadb versions
• Default Mariadb version changed to 10.5
• Fixed compatibility issues for CentOS 7/8 related to Python 2.x usage
• Added support for Debian 10 Buster

Refactoring role variables and adding support of new versions

• Refactored variables removing hardcoded variables included in play
• Added support for Ansible 2.9. Fixed #14
• Added support for CentOS and RHEL 8 install
• NOTE! Removed support of CentOS and RHEL 6
• Changed verification tests to ansible type

Release 1.6.0

• Fixed compatibility with ansible 2.8 #10
• Removed Debian 8 support
• Fixed lint issues

Extended platform and versions support

• Added support for Debian 8, 9 and Ubuntu 16.04, 18.04 installations
• Added support for last MariaDB versions
• Added support for MySQL 8.0 installation and configuration
• Code refactoring and tests update

Initial release

Initial verison of mysql role for EL 6, 7