hg: openjfx/8/graphics/rt: RT-34083: fixing sample apps building when Swing not present (Ensemble8, Modena, 3DViewer)

[hang.vo at oracle.com]

Changeset: 2c9f866b6e0f
Author:    ddhill
Date:      2013-12-02 13:15 -0500
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/2c9f866b6e0f

RT-34083: fixing sample apps building when Swing not present (Ensemble8, Modena, 3DViewer)
Reviewed-by: kcr

! apps/experiments/3DViewer/build.xml
! apps/experiments/build.xml
! apps/samples/Ensemble8/build.xml
! build.gradle