Updated guide for Debian 7 and Ubuntu 14.04LTS, modified VirtualHost setup to point to /var/www.
added note on sudo to hosting a website
updates and corrections for hosting a website guide
Merge pull request #3 from afornuto/hosting-a-website

Hosting a website
Minor edits, fixed formatting for file exerpts.
Made noted changes and edits, replaced section inadvertently removed.
Merge pull request #19 from jstewart/hostingawebsite

Updated 'Hosting a Website' guide for Debian 7 and Ubuntu 14.04LTS.