Changed cmd.sh in Vagrantfile to test_sudo.sh unitl the sudoers file is fixed

Changed Vagrantfile to use relative paths as opposed to absolute

Fixed if statement ending with a 'done' instead of a 'fi' in cmd.sh

Fixed enable epel-nodejs repo to an if-check statement

Add(ing) logging to cmd.sh to put command output to a logfile as opposed to spitting everything out to stdout