hg: kulla/dev/langtools: Add code comments

[robert.field at oracle.com]

Changeset: ecd265c0b723
Author:    rfield
Date:      2015-08-20 21:59 -0700
URL:       http://hg.openjdk.java.net/kulla/dev/langtools/rev/ecd265c0b723

Add code comments

! src/jdk.jshell/share/classes/jdk/jshell/Snippet.java
! src/jdk.jshell/share/classes/jdk/jshell/SnippetEventImpl.java
! src/jdk.jshell/share/classes/jdk/jshell/SnippetMaps.java
! src/jdk.jshell/share/classes/jdk/jshell/SourceCodeAnalysisImpl.java
! src/jdk.jshell/share/classes/jdk/jshell/TaskFactory.java
! src/jdk.jshell/share/classes/jdk/jshell/TreeDependencyScanner.java
! src/jdk.jshell/share/classes/jdk/jshell/TreeDissector.java
! src/jdk.jshell/share/classes/jdk/jshell/TypePrinter.java
! src/jdk.jshell/share/classes/jdk/jshell/UnresolvedReferenceExceptionImpl.java
! src/jdk.jshell/share/classes/jdk/jshell/Util.java