Add option to pull server setting from the server.properties file

bukkit/src/main/java/me/lucko/luckperms/bukkit/LPBukkitPlugin.java

@@ -434,7 +434,7 @@ public class LPBukkitPlugin extends JavaPlugin implements LuckPermsPlugin {
     }
 
     @Override
-    public String getServerName() {
+    public String getServerBrand() {
         return getServer().getName();
     }
 
@@ -443,6 +443,11 @@ public class LPBukkitPlugin extends JavaPlugin implements LuckPermsPlugin {
         return getServer().getVersion() + " - " + getServer().getBukkitVersion();
     }
 
+    @Override
+    public String getServerName() {
+        return getServer().getServerName();
+    }
+
     @Override
     public File getDataDirectory() {
         return super.getDataFolder();

bukkit/src/main/resources/config.yml

@@ -70,6 +70,10 @@ use-server-uuids: true
 # in the LuckPerms cache.
 use-server-uuid-cache: false
 
+# If LuckPerms should use the "server-name" property from the "server.properties"
+# file as the "server" option within LuckPerms.
+use-server-properties-name: false
+
 # If set to true, LuckPerms will allow usernames with non alphanumeric characters.
 #
 # Note that due to the design of the storage implementation, usernames must still be