Make sam-and-paul.com mobile friendly

* Allow all content to collapse at smaller page widths
* Remove unused CSS
* Add class helpers to pagination to aide with responsiveness
* Use breakpoints based on when content breaks, rather than device sizes
* Make page numbers bigger and easier to click at thin widths

## Portrait mobile viewport
![screen shot 2014-12-19 at 21 30 29](https://cloud.githubusercontent.com/assets/319055/5511564/09ee9b82-87c7-11e4-9108-6c0170aabd51.png)

### Text content
![screen shot 2014-12-19 at 21 31 06](https://cloud.githubusercontent.com/assets/319055/5511563/09ed911a-87c7-11e4-8eb7-e7f18a8f5067.png)

### Tablet viewport
![screen shot 2014-12-19 at 21 31 54](https://cloud.githubusercontent.com/assets/319055/5511562/09ecd8d8-87c7-11e4-82d2-15336bc78413.png)