hg: kulla/dev/langtools: 8080350: JShell API: return Key for all eval() even syntax failures

[robert.field at oracle.com]

Changeset: a4d479b43577
Author:    rfield
Date:      2015-05-26 16:02 -0700
URL:       http://hg.openjdk.java.net/kulla/dev/langtools/rev/a4d479b43577

8080350: JShell API: return Key for all eval() even syntax failures

! src/jdk.jshell/share/classes/jdk/internal/jshell/impl/Eval.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/impl/SnippetImpl.java
! test/jdk/jshell/KullaTesting.java
+ test/jdk/jshell/RejectedFailedTest.java