hg: kulla/dev/langtools: Close the reader properly, and restore terminal, when finishing.

[jan.lahoda at oracle.com]

Changeset: 59241cba77e8
Author:    jlahoda
Date:      2015-09-14 06:46 +0200
URL:       http://hg.openjdk.java.net/kulla/dev/langtools/rev/59241cba77e8

Close the reader properly, and restore terminal, when finishing.

! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/ConsoleIOContext.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/IOContext.java