Analysis tone fixes

Fixes colour of comment counts and byline links 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)