hg: openjfx/8u-dev/rt: 8181116: Ability to change milestone to fcs without updating repo

[kevin.rushforth at oracle.com]

Changeset: 2991e8b097f3
Author:    kcr
Date:      2017-09-08 09:56 -0700
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/2991e8b097f3

8181116: Ability to change milestone to fcs without updating repo
Reviewed-by: prr, asaha

! build.gradle
! build.properties