Refactored AEConfig (#2633)

Added a singleton getter instead the public field.
Reduced all fields to private.
Replaced field access with getters.
Added setters where necessary (Dimension/Biome Registration)
Added config options to disable more features.
Splitted Enum name from the config key.
Changed FacadeConfig and Networkhandler similar to AEConfig.init().

src/main/java/appeng/integration/modules/jei/RecipeTransferHandler.java

@@ -131,7 +131,7 @@ class RecipeTransferHandler<T extends Container> implements IRecipeTransferHandl
 
 		try
 		{
-			NetworkHandler.instance.sendToServer( new PacketJEIRecipe( recipe ) );
+			NetworkHandler.instance().sendToServer( new PacketJEIRecipe( recipe ) );
 		}
 		catch( IOException e )
 		{