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/client/texture/OffsetIcon.java

@@ -28,8 +28,8 @@ import cpw.mods.fml.relauncher.SideOnly;
 public class OffsetIcon implements IIcon
 {
 
-	final float offsetX;
-	final float offsetY;
+	private final float offsetX;
+	private final float offsetY;
 
 	private final IIcon p;