FIXED https://github.com/vorburger/MariaDB4j/issues/12. Also upgraded
from 2.0.0-SNAPSHOT (never published) to 2.1.0-SNAPSHOT due to
commons-exec 1.1 to commons-exec 1.2 upgraded (required to @Override
createThread()).

Signed-off-by: Michael Vorburger <mike@vorburger.ch>