Release v2.0.0
pmd: remove deprecation warnings (remove and/or replace outdated rules, inline rules) gradle: update artifactory url http://artifactory.terasology.org -> https://artifactory.terasology.io
pmd: remove deprecation warnings (remove and/or replace outdated rules, inline rules) gradle: update artifactory url http://artifactory.terasology.org -> https://artifactory.terasology.io