4.0.0 me.filoghost.holographicdisplays holographicdisplays-parent 3.0.0 holographicdisplays-legacy-api HolographicDisplays Legacy API pom v1 v2 ${project.groupId} holographicdisplays-api org.spigotmc spigot-api me.filoghost.fcommons fcommons