audit-ui - adjusting audit table to match other tables

![audits](https://f.cloud.github.com/assets/338096/1558624/dbe4f982-4f9d-11e3-94fa-0ab78d8f5194.png)

Restructured index table to match other pages. Suggestions on column titles and content welcome.

Also added missing types to audit extensions so they could be searched on.