Don't add the solr start parameter to the counter when linking to docs.

Fixes #603 

#### Before
![per-page-before](https://cloud.githubusercontent.com/assets/96776/3837015/11e527a6-1de2-11e4-923e-6bcdf083b478.gif)

#### After
![per-page-after](https://cloud.githubusercontent.com/assets/96776/3837014/11e39f9e-1de2-11e4-9e5d-d81f8a4edfe1.gif)