Other tag pages restyle

New contributors page:
![screen shot 2014-10-09 at 12 36 18](https://cloud.githubusercontent.com/assets/2579465/4575573/2f2b3c8a-4fa9-11e4-8458-59ed352bc2d2.png)

New series page:
![screen shot 2014-10-09 at 12 36 26](https://cloud.githubusercontent.com/assets/2579465/4575577/388aa2ca-4fa9-11e4-93ce-fe3edfe9f11b.png)

New blogs page:
![screen shot 2014-10-09 at 12 36 34](https://cloud.githubusercontent.com/assets/2579465/4575587/454ecc2a-4fa9-11e4-9341-f497e7ae0250.png)

This me mostly working with Scala which is not my strongest skill yet so any input how I can make it better is very welcome.