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/spatial/StorageChunkProvider.java

@@ -36,7 +36,7 @@ import appeng.core.AEConfig;
 
 public class StorageChunkProvider extends ChunkProviderGenerate
 {
-	public static final int SQUARE_CHUNK_SIZE = 256;
+	private static final int SQUARE_CHUNK_SIZE = 256;
 	private static final Block[] BLOCKS;
 
 	static
@@ -52,7 +52,7 @@ public class StorageChunkProvider extends ChunkProviderGenerate
 		}
 	}
 
-	final World world;
+	private final World world;
 
 	public StorageChunkProvider( final World world, final long i )
 	{