hg: openjfx/8/controls/rt: RT-29162: make sure properties only show up once in the list

[hang.vo at oracle.com]

Changeset: 93d571992564
Author:    David Grieve<david.grieve at oracle.com>
Date:      2013-03-27 08:57 -0400
URL:       http://hg.openjdk.java.net/openjfx/8/controls/rt/rev/93d571992564

RT-29162: make sure properties only show up once in the list

! javafx-ui-controls/src/javafx/scene/control/Control.java