sIgNifICanT buG FixEs (#105)

- Ignore totalfreedom.iml (people who clone from Git get this instead of TotalFreedomMod)
- Essentials check before running /denick
- Revise grammar in /invis
- WorldEdit check for /setl (since W/E is no longer a required dependency)
- WorldEdit check for /gtfo
- WorldEdit check for /unban
- Refactor -> LibsDisguiseBridge: isPluginEnabled -> isEnabled
- Remove unneccesary ChatColor in /wiperegions
- Use BlockData in Trailer
- Revise /wiewarps grammar

src/main/java/me/totalfreedom/totalfreedommod/util/DepreciationAggregator.java

@@ -24,26 +24,6 @@ public class DepreciationAggregator
         return server.getOfflinePlayer(name);
     }
 
-    public static byte getData_MaterialData(MaterialData md)
-    {
-        return md.getData();
-    }
-
-    public static void setData_MaterialData(MaterialData md, byte data)
-    {
-        md.setData(data);
-    }
-
-    public static byte getData_Block(Block block)
-    {
-        return block.getData();
-    }
-
-    public static org.bukkit.material.Lever makeLeverWithData(byte data)
-    {
-        return new org.bukkit.material.Lever(Material.LEVER, data);
-    }
-
     public static String getName_EntityType(EntityType et)
     {
         return et.getName();