[maven-release-plugin] prepare release mariaDB4j-2.1.0
[maven-release-plugin] prepare release mariaDB4j-2.1.0

vorburger/MariaDB4j,vorburger/MariaDB4j,Raniz85/MariaDB4j,Raniz85/MariaDB4j,honestica/MariaDB4j,honestica/MariaDB4j