Rename "web" role to "nginx"

We'll be using Apache to run our WordPress sites
Resolve a crucial network conflict at Tabor Bread
Update server-banner to support apache
Fix bunsen's server-banner attributes
Add beaker.stumptownsyndicate.org, running apache
Add subversion to the base role
Ensure server-banner config loads first
Add users to the www-data group
Set up wordpress on beaker
Include ServerName in apache server-banner
Add support for WordPress multisite
Install WordPress plugins
Install CiviCRM as a WordPress plugin
Set up a database for MediaWiki
Write simple apache config files for dokuwiki and static sites
Refactor mysql database creation for Mediawiki

Generalize the code so that we can reuse it for other apps
Fix simple-apache-config for sites without server aliases
Create a database and apache config for Fusion Invoice
Reformat beaker config for readability
Fix CNS theme installation