luckperms me.lucko.luckperms 2.7-SNAPSHOT 4.0.0 luckperms-bukkit-placeholders LuckPermsPlaceholderExpansion org.apache.maven.plugins maven-compiler-plugin 3.5.1 1.8 1.8 me.lucko.luckperms luckperms-api 2.5 compile org.bukkit bukkit 1.8.8-R0.1-SNAPSHOT provided me.clip placeholderapi 2.2.0 provided