4.0.0 com.gmail.filoghost.holographicdisplays holographicdisplays-parent 2.3.1 ../../pom.xml holographicdisplays-example-powerups HolographicDisplays Example PowerUps elmakers-repo http://maven.elmakers.com/repository/ ${project.groupId} holographicdisplays-api 2.3.1 org.spigotmc spigot-api ${spigot-api.version} provided