hg: jdk9/dev/langtools: 8163840: jshell tool: provide way to display configuration settings

[robert.field at oracle.com]

Changeset: 2a3e23ee1b65
Author:    rfield
Date:      2016-10-20 12:53 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/2a3e23ee1b65

8163840: jshell tool: provide way to display configuration settings
Reviewed-by: jlahoda

! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/ArgTokenizer.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/Feedback.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/JShellTool.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/MessageHandler.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/resources/l10n.properties
! test/jdk/jshell/CommandCompletionTest.java
! test/jdk/jshell/ExternalEditorTest.java
! test/jdk/jshell/ToolBasicTest.java
! test/jdk/jshell/ToolCommandOptionTest.java
! test/jdk/jshell/ToolFormatTest.java
! test/jdk/jshell/ToolLocaleMessageTest.java
! test/jdk/jshell/ToolRetainTest.java
! test/jdk/jshell/ToolSimpleTest.java