hg: jigsaw/jake/jdk: More clean-up/comments

[alan.bateman at oracle.com]

Changeset: 0c9a906bada4
Author:    alanb
Date:      2017-02-08 13:44 +0000
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/0c9a906bada4

More clean-up/comments

! src/java.base/share/classes/java/lang/module/Configuration.java
! src/java.base/share/classes/java/lang/module/ModuleDescriptor.java
! src/java.base/share/classes/java/lang/reflect/AccessibleObject.java
! src/java.base/share/classes/jdk/internal/module/Builder.java
! src/java.base/share/classes/sun/launcher/LauncherHelper.java
! src/jdk.jlink/share/classes/jdk/tools/jlink/internal/plugins/SystemModulesPlugin.java