Analysis tone fixes

Fixes colour of comment counts on analysis articles. (Also updates styles for header kicker, which will only apply if it gets reinstated in Scala template).

Before:
![screen shot 2014-10-30 at 15 44 29](https://cloud.githubusercontent.com/assets/813383/4846466/0e870c76-604c-11e4-8464-67a6c8c1c91b.png)

After:
![screen shot 2014-10-30 at 15 44 33](https://cloud.githubusercontent.com/assets/813383/4846465/0abd3962-604c-11e4-886f-7500ef859f69.png)