hg: jdk9/dev/nashorn: 8164260: readLine does not echo characters

[sundararajan.athijegannathan at oracle.com]

Changeset: b8634c8d947a
Author:    sundar
Date:      2016-08-18 16:54 +0530
URL:       http://hg.openjdk.java.net/jdk9/dev/nashorn/rev/b8634c8d947a

8164260: readLine does not echo characters
Reviewed-by: jlaskey

! src/jdk.scripting.nashorn.shell/share/classes/jdk/nashorn/tools/jjs/Main.java
! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/ScriptingFunctions.java
! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/tools/ShellFunctions.java