Added support for changing font for show names (skinning)

Modified EPGWindow.py to allow custom font for shows names. 

This is done similar to the textcolor and focusedcolor, but uses a different control (105).

![image](https://f.cloud.github.com/assets/2523083/113631/a9990172-6b68-11e2-809b-5eb9ea1ce274.png)