Completes pagination & refactors code

- Fetches configuration files before app is bootstrapped and makes this
configuration available to the app
- Simplies app routing
- Adds antoher pagination control to the top of the page
- Makes pagination controls respond to changes to the comments list
- Adds slight style changes to the pagination control
Merge pull request #82 from quiaro/master

Completes pagination & refactors code