Deep linking in style guide

This has been bugging me for a while.

- Able to deep link to icons by using queryparams. eg. `?q=housekeeping`
- Pages that iterate through components give them each a deep link icon (like forms did already)
- Also deletes some unused partials

![image](https://cloud.githubusercontent.com/assets/814861/3823790/2580c102-1d3e-11e4-8f2d-e948a94580a0.png)

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