Fix indentation
Replace liquid logic with CSS nth-child

http://www.bluthemes.com/blog/3/clearing-bootstrap-3-columns

Fix this issue: 

https://www.dropbox.com/s/cnoc2ru6etodo85/Screenshot%202014-08-18%2022.24.58.png
Merge branch 'remove-unnecessary-maths'

* remove-unnecessary-maths:
  Replace liquid logic with CSS nth-child
  Fix indentation