hg: openjfx/8/controls/rt: RT-30976: lazy load listener and add listener to backing set on first call to addListener. Reviewed by Martin

[hang.vo at oracle.com]

Changeset: 479da853570b
Author:    David Grieve<david.grieve at oracle.com>
Date:      2013-06-06 08:36 -0400
URL:       http://hg.openjdk.java.net/openjfx/8/controls/rt/rev/479da853570b

RT-30976: lazy load listener and add listener to backing set on first call to addListener. Reviewed by Martin

! javafx-beans/src/javafx/collections/FXCollections.java