hg: openjfx/8/controls/rt: Modena: Tab Pane buttom tabs overflow arrow is not centered.

[hang.vo at oracle.com]

Changeset: e4bdba51e3b6
Author:    "Jasper Potts"
Date:      2013-03-11 17:34 -0700
URL:       http://hg.openjdk.java.net/openjfx/8/controls/rt/rev/e4bdba51e3b6

Modena: Tab Pane buttom tabs overflow arrow is not centered.

! javafx-ui-controls/src/com/sun/javafx/scene/control/skin/modena/modena.css