hg: jdk9/dev/langtools: 8153551: jshell tool: no longer a mechanism to see current feedback modes

[robert.field at oracle.com]

Changeset: 9955c0097d4d
Author:    rfield
Date:      2016-04-20 08:35 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/9955c0097d4d

8153551: jshell tool: no longer a mechanism to see current feedback modes
Reviewed-by: jlahoda

! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/Feedback.java
! test/jdk/jshell/ToolFormatTest.java