hg: openjfx/8u-dev/rt: Fix to RT-38726: Scene and scenegraph leak when the Stage is closed

[chien.yang at oracle.com]

Changeset: 6ccac762c491
Author:    Chien Yang <chien.yang at oracle.com>
Date:      2014-10-24 10:20 -0700
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/6ccac762c491

Fix to RT-38726: Scene and scenegraph leak when the Stage is closed
Reviewed by kcr, morris

! modules/graphics/src/main/java/com/sun/javafx/tk/quantum/EmbeddedScene.java
! modules/graphics/src/main/java/com/sun/javafx/tk/quantum/GlassScene.java
! modules/graphics/src/main/java/com/sun/javafx/tk/quantum/ViewScene.java