hg: kulla/dev/langtools: Add code comments

[robert.field at oracle.com]

Changeset: aeb370bded3b
Author:    rfield
Date:      2015-08-18 09:04 -0700
URL:       http://hg.openjdk.java.net/kulla/dev/langtools/rev/aeb370bded3b

Add code comments

! src/jdk.jshell/share/classes/jdk/internal/jshell/debug/InternalDebugControl.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/remote/RemoteAgent.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/remote/RemoteClassLoader.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/remote/RemoteCodes.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/remote/RemoteResolutionException.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/EditPad.java