hg: openjfx/2.2/graphics/rt: Backed out changeset c6643233a1c9

[hang.vo at oracle.com]

Changeset: 67b97eb893e2
Author:    kcr
Date:      2012-05-15 13:02 -0700
URL:       http://hg.openjdk.java.net/openjfx/2.2/graphics/rt/rev/67b97eb893e2

Backed out changeset c6643233a1c9
RT-21567: Revert fix for RT-16011 (PGNode.dispose) since it broke all scrollable controls

! javafx-ui-common/src/com/sun/javafx/scene/DirtyBits.java
! javafx-ui-common/src/javafx/scene/Node.java
! javafx-ui-common/test/unit/javafx/scene/NodeTest.java
! test-stub-toolkit/src/com/sun/javafx/pgstub/StubNode.java