Document default node manager address attribute
Document default node manager address attribute

This should help clarify some things that official Hadoop
documentation fails to mention.

Change-Id: Id1170fc156ed827fb7e5596bbcfb084746b6f3c4

dice-project/DICE-Chef-Repository,dice-project/DICE-Chef-Repository,dice-project/DICE-Chef-Repository,dice-project/DICE-Chef-Repository