hg: jdk9/sandbox/langtools: 8139837: JShell API: make a common JShellException

[chris.hegarty at oracle.com]

Changeset: 2dc339da8a93
Author:    rfield
Date:      2016-04-29 19:53 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/2dc339da8a93

8139837: JShell API: make a common JShellException
Reviewed-by: jlahoda

! src/jdk.jshell/share/classes/jdk/jshell/Eval.java
! src/jdk.jshell/share/classes/jdk/jshell/EvalException.java
! src/jdk.jshell/share/classes/jdk/jshell/ExecutionControl.java
+ src/jdk.jshell/share/classes/jdk/jshell/JShellException.java
! src/jdk.jshell/share/classes/jdk/jshell/SnippetEvent.java
! src/jdk.jshell/share/classes/jdk/jshell/Unit.java
! src/jdk.jshell/share/classes/jdk/jshell/UnresolvedReferenceException.java