Squashed commit of the following:

commit 287ed28206dfa5617d0b6d1cfa299006dda6f79a
Author: Nick Holub <nikholub@gmail.com>
Date:   Fri Mar 7 15:10:42 2014 -0800

    fix #MLHR-909 - Installer - Restart Confirmation

commit daeab70726da5ba5c1c79a662af5157ec1e424df
Author: Nick Holub <nikholub@gmail.com>
Date:   Fri Mar 7 14:41:14 2014 -0800

    hadoop location error handling
Merge pull request #772 from nickholub/restart_pull

Installer - Restart Confirmation