hg: openjfx/jfx-dev/rt: 8167096: Add APIs to customize step repeat timing for Spinner control

[ajit.ghaisas at oracle.com]

Changeset: 299108465d55
Author:    pkbalakr
Date:      2018-04-23 14:02 +0530
URL:       http://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/299108465d55

8167096: Add APIs to customize step repeat timing for Spinner control
Reviewed-by: kcr, aghaisas

! modules/javafx.controls/src/main/java/com/sun/javafx/scene/control/behavior/SpinnerBehavior.java
! modules/javafx.controls/src/main/java/javafx/scene/control/Spinner.java
! modules/javafx.controls/src/test/java/test/javafx/scene/control/SpinnerTest.java
! modules/javafx.graphics/src/main/docs/javafx/scene/doc-files/cssref.html