#1254 Create command to see recently logged in players

- Create datasource method to fetch most recent players by last login date
- Add command to view last logged in players

src/main/java/fr/xephi/authme/permission/AdminPermission.java

@@ -50,6 +50,11 @@ public enum AdminPermission implements PermissionNode {
      */
     GET_IP("authme.admin.getip"),
 
+    /**
+     * Administrator command to see the last recently logged in players.
+     */
+    SEE_RECENT_PLAYERS("authme.admin.seerecent"),
+
     /**
      * Administrator command to teleport to the AuthMe spawn.
      */