Stabilizing the web_server cookbook:
* Pass foodcritic tests
* Refactored apache2_app/nginx_app definition into webapp.
* Cleaned up recipes for better maintainability.
* Enabled logrotate, don't think it was working before.
* Refactored enable_ssl into generate_ssl_certs.
* Added default vhost for apache.
* Conditionally load additional resources (phpmyadmin,phpinfo)
* Upgraded default nginx cookbook
* Easily switch from apache/nginx using the platform attribute.