hg: jdk9/sandbox/nashorn: 8134397: Features that require AWT, swing should handle headless mode properly

[chris.hegarty at oracle.com]

Changeset: 4577d801c522
Author:    sundar
Date:      2015-08-25 18:16 +0530
URL:       http://hg.openjdk.java.net/jdk9/sandbox/nashorn/rev/4577d801c522

8134397: Features that require AWT, swing should handle headless mode properly
Reviewed-by: hannesw, attila

! src/jdk.scripting.nashorn.shell/share/classes/jdk/nashorn/tools/jjs/EditObject.java
! src/jdk.scripting.nashorn.shell/share/classes/jdk/nashorn/tools/jjs/Main.java
! src/jdk.scripting.nashorn.shell/share/classes/jdk/nashorn/tools/jjs/NashornCompleter.java
! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/tools/resources/Shell.properties