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/services/CompassService.java

@@ -89,12 +89,12 @@ public final class CompassService
 		}
 	}
 
-	public int jobSize()
+	private int jobSize()
 	{
 		return this.jobSize;
 	}
 
-	public void cleanUp()
+	private void cleanUp()
 	{
 		for( final CompassReader cr : this.worldSet.values() )
 		{