8178023: jshell tool: crash with ugly message on attempt to add non-existant module path
Reviewed-by: jlahoda

8171343: jshell tool: missing options: --help-extra --show-version
Reviewed-by: jlahoda

8172102: jshell tool: remove print method forwarding to System.out from default startup
Reviewed-by: briangoetz

8170162: jshell tool: no mechanism to programmatically launch
8170044: jshell tool: jshell missing from javax.tools.ToolProvider
Reviewed-by: jjg

8169519: JShell: Handle start-up failures and hangs gracefully
8166581: JShell: locks forever if -R options is wrong
8169234: JShell: hangs on startup on some computers caused by hostname
Reviewed-by: jlahoda

8167637: jshell tool: /edit should use EDITOR setting
8167640: jshell tool: external editor temp file should be *.java
Reviewed-by: jlahoda

8131023: JShell: System.in does not work
Summary: Pass user input to snippets/remote agent
Reviewed-by: rfield

8160089: jshell tool: use new double-dash long-form command-line options
Reviewed-by: jlahoda

8157953: JShell tests: reenable ToolBasicTest
8080883: JShell tool: tool does not report errors if -startup and -nostartup flags are specified
Reviewed-by: vromero

8157917: JShell: shutdown could cause remote JDWP errors to be visible to users
8157918: JShell tests: StartOptionTest displays insufficient information to diagnose failures
Reviewed-by: vromero

8150382: JShell API: Allow setting remote JVM arguments
8151754: jshell tool: add command line options for setting feedback mode
Reviewed-by: jlahoda

8153482: jdk/jshell/StartOptionTest.java fails on Windows after JDK-8147515
Reviewed-by: jlahoda

8147515: JShell: Internationalize
Reviewed-by: jlahoda

8152897: refactor ToolBox to allow reduced documented dependencies
Reviewed-by: vromero

8152296: langtools/test/jdk/jshell/ToolReloadTest.java failing if there is not persisted history
Summary: Create a custom Terminal for use in tests; avoid use of global Preferences in tests.
Reviewed-by: rfield

8142968: Module System implementation
Summary: Initial integration of JEP 200, JEP 260, JEP 261, and JEP 282
Reviewed-by: jjg, jlahoda, vromero, mcimadamore, bpatel, ksrini, darcy, anazarov, dfuchs
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, jan.lahoda@oracle.com, vicente.romero@oracle.com, andreas.lundblad@oracle.com, andrey.x.nazarov@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, kumar.x.srinivasan@oracle.com, sundararajan.athijegannathan@oracle.com

8148147: Sync up @modules from jigsaw/jake
Reviewed-by: chegar, mchung

8134254: JShell API/tool: REPL for Java into JDK9
Summary: Adding the implementation of the jshell (read-eval-print-loop) tool.
Reviewed-by: briangoetz, mcimadamore, psandoz, forax
Contributed-by: robert.field@oracle.com, bitterfoxc@gmail.com, jan.lahoda@oracle.com