Updated link to new docker-node-hello repository
Merge pull request #6140 from zanedeg/patch-1

Updated link to new docker-node-hello repository
Adding "stats" and "spec" option to nsinit binary which will print the stats and spec respectively.

Docker-DCO-1.1-Signed-off-by: Vishnu Kannan <vishnuk@google.com> (github: vishh)