8173232: JShell tests: ReplaceTest takes too long
8173234: JShell tests: remove from ProblemList jdk/jshell/ToolFormatTest.java
8173204: JShell tests: ProblemList jdk/jshell/UserJdiUserRemoteTest.java
Reviewed-by: jlahoda

8167128: JShell: /drop of statement gives confusing output
Reviewed-by: jlahoda

8143964: JShell API: convert query responses to Stream instead of List
Reviewed-by: psandoz, shinyafox

8154485: JShell: infrastructure for multi-Snippet class wrappers
Reviewed-by: jlahoda

8152925: JShell: enable corralling of any type declaration, including enum
Reviewed-by: jlahoda

8080069: JShell: Support for corralled classes
Reviewed-by: 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