Remove leading slash from examples

My builds were failing when the alias was prefixed with a slash. I removed the slash and build was successful.
```
== Request: /blog/2014/02/01/global-drupal-sprint-weekend/index.html
       error  /blog/2014/02/01/global-drupal-sprint-weekend/index.html
<html><body><h1>File Not Found</h1><p>/blog/2014/02/01/global-drupal-sprint-weekend/index.html</p></body>
There were errors during this build