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/core/FacadeConfig.java

@@ -34,7 +34,7 @@ public class FacadeConfig extends Configuration
 {
 
 	public static FacadeConfig instance;
-	final Pattern replacementPattern;
+	private final Pattern replacementPattern;
 
 	public FacadeConfig( final File facadeFile )
 	{