Adding Config API

- Add Config api that pull data from kohana config
- Add tests and data for config API
- Add oauth scope for config
- Modify DB Reader to allow us to grab allowed groups in the API
Fix typo in Main Controller
Add Settings UI

* Add ConfigModel in JS
* Add settings/site route and controller
* Add Settings view which submits new settings to API
* Add site settings to the menu.
Update Header and Footer after settings change