hg: kulla/dev/langtools: Fix System.exit(5) in REPL tool causes IllegalStateException. Solidify remote shutdown. Add specific EvalStateClosedException to API. Make /history not confusable with snippet ids.

[robert.field at oracle.com]

Changeset: cf5beff013d1
Author:    rfield
Date:      2015-03-20 21:16 -0700
URL:       http://hg.openjdk.java.net/kulla/dev/langtools/rev/cf5beff013d1

Fix System.exit(5) in REPL tool causes IllegalStateException. Solidify remote shutdown. Add specific EvalStateClosedException to API. Make /history not confusable with snippet ids.

! repl/TODO
! repl/src/api/EvalState.java
+ repl/src/api/EvalStateClosedException.java
! repl/src/impl/EvalStateImpl.java
! repl/src/tool/Repl.java
! repl/testng/test/ToolBasicTest.java