Layout changes for non-image collection previews

Closes #613 

Layout changes to:
- [ ] get rid of the table layout, 
- [ ] use icon font instead of image, 
- [ ] drop the "1-3 of" text from the label,
- [ ] use the standard "online" bg color (#009b76) for the label,
- [ ] make the label the same size and font as the At the library etc. labels
- [ ] add margin below the other expand-o sections.

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![image](https://cloud.githubusercontent.com/assets/302258/3900974/80bd462e-229a-11e4-8fe3-c390d11e359d.png)
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![image](https://cloud.githubusercontent.com/assets/302258/3900975/89243d0e-229a-11e4-80a4-506359c68f59.png)