hg: kulla/dev/langtools: multiple bug fixes. Including redefine of REPL classes (as opposed to vars and method), fix user imports, exclusion of expressions from redefine, runtime debug switching (again), and code clean up.

[robert.field at oracle.com]

Changeset: 2b60db7fb8a8
Author:    rfield
Date:      2014-12-29 12:21 -0800
URL:       http://hg.openjdk.java.net/kulla/dev/langtools/rev/2b60db7fb8a8

multiple bug fixes. Including redefine of REPL classes (as opposed to vars and method), fix user imports, exclusion of expressions from redefine, runtime debug switching (again), and code clean up.

! repl/src/impl/EvaluationProcessingImpl.java
! repl/src/impl/EvaluationStateImpl.java
! repl/src/impl/JDIEventHandler.java
! repl/src/impl/JDIExecution.java
! repl/src/impl/SnippetMaps.java
! repl/src/impl/TaskFactory.java
! repl/src/impl/Util.java
! repl/src/remote/RemoteAgent.java
! repl/src/tool/Repl.java