hg: openjfx/8u-dev/rt: [SCENEBUILDER] Updated fix for DTL-6884 (Content Panel and Preview Window fail to visualise CSS edits ...)

[eric.le.ponner at oracle.com]

Changeset: cf011a9cdb29
Author:    Eric Le Ponner <eric.le.ponner at oracle.com>
Date:      2014-09-23 10:33 +0200
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/cf011a9cdb29

[SCENEBUILDER] Updated fix for DTL-6884 (Content Panel and Preview Window fail to visualise CSS edits ...)
Added null check on sceneGraphRoot.getParent() to be consistent with FXOMDocument current design.

! apps/scenebuilder/SceneBuilderKit/src/com/oracle/javafx/scenebuilder/kit/fxom/FXOMDocument.java