Summary: Sample ubuntu config for Virtualhost incorrect

Changesets:
- Minor bugfix: Fix NameVirtualHost that triggers error below:
/var/log/apache2/error.log:[Sat Sep 20 06:43:55 2014] [warn] NameVirtualHost *:80 has no VirtualHosts
- Apache 2 version under Ubuntu 10.04
root@e663116e94db:/var/www/openaustralia# apache2ctl -V
Server version: Apache/2.2.14 (Ubuntu)
Server built:   Jul 22 2014 14:35:35
Server's Module Magic Number: 20051115:23
Server loaded:  APR 1.3.8, APR-Util 1.3.9
Compiled using: APR 1.3.8, APR-Util 1.3.9
Merge pull request #7 from leowmjw/master

Summary: Sample ubuntu config for Virtualhost incorrect