Reduces visibility of internal fields/methods

Reduces the visibility of all fields to private and create setters/getters
when necessary. Exceptions are fields with GuiSync as these need to be
public.

Reduces the visibility of internal methods to private/protected/default when possible.

src/main/java/appeng/tile/crafting/TileCraftingStorageTile.java

@@ -27,7 +27,7 @@ import appeng.block.crafting.BlockCraftingUnit;
 
 public class TileCraftingStorageTile extends TileCraftingTile
 {
-	public static final int KILO_SCALAR = 1024;
+	private static final int KILO_SCALAR = 1024;
 
 	@Override
 	protected ItemStack getItemFromTile( final Object obj )