Minor - rename LimboPlayer methods + code householding

- Rename *taskId methods to *task to reflect what they handle
- Remove usages of Wrapper where applicable
- Replace some uses of legacy Settings with NewSetting calls

src/main/java/fr/xephi/authme/util/Wrapper.java

@@ -8,7 +8,6 @@ import org.bukkit.Server;
 import org.bukkit.scheduler.BukkitScheduler;
 
 import java.io.File;
-import java.util.logging.Logger;
 
 /**
  * Wrapper for the retrieval of common singletons used throughout the application.
@@ -48,10 +47,6 @@ public class Wrapper {
         return getAuthMe().getServer();
     }
 
-    public Logger getLogger() {
-        return getAuthMe().getLogger();
-    }
-
     public Messages getMessages() {
         return getAuthMe().getMessages();
     }