8174762: JShell: @since tags missing
Reviewed-by: jjg

8159111: JShell API: Add access to wrappers and dependencies
Reviewed-by: jlahoda

8139829: JShell API: No use of fields to return information from public types
Reviewed-by: vromero

8141415: JShell: wrap erroneous with one-liner comment-outed imports
Reviewed-by: rfield

8145342: Some copyright notices are inconsistently and ill formatted
Summary: Adjusted formatting of copyright notices.
Reviewed-by: darcy, alundblad

8142384: JShell tool: New command: /imports, /i which show the list of imported packages or classes, etc...
Reviewed-by: rfield, jlahoda

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