hg: openjfx/8u-dev/rt: 8130675: Document that setting scene on stage changes stage size unless explicitly set

[chien.yang at oracle.com]

Changeset: a614e9347bf7
Author:    ckyang
Date:      2016-08-16 14:37 -0700
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/a614e9347bf7

8130675: Document that setting scene on stage changes stage size unless explicitly set
Reviewed-by: kcr

! modules/graphics/src/main/java/javafx/stage/Window.java