Some Turkish symbols have display issues

Some of the characters in `İçeriğe erişim` are more bold than the others. Perhaps we're missing something in the Open Sans font we're using.

![screen shot 2014-01-08 at 15 00 52](https://f.cloud.github.com/assets/109850/1869046/ad752508-7875-11e3-8e2f-d6efe68a253d.png)