hg: jigsaw/jake/jdk: Update jmod tool to allow the OS name/arch/version be set

[alan.bateman at oracle.com]

Changeset: 0c64168d5972
Author:    alanb
Date:      2016-02-15 17:37 +0000
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/0c64168d5972

Update jmod tool to allow the OS name/arch/version be set

! src/jdk.jlink/share/classes/jdk/tools/jmod/JmodTask.java
! src/jdk.jlink/share/classes/jdk/tools/jmod/resources/jmod.properties