Refactor badwolf theme, fix replace/paste mode color.

![2013-07-09-153911_505x69_scrot](https://f.cloud.github.com/assets/4363004/766755/7b1674f2-e86c-11e2-976f-c9f7ea7662da.jpg)
![2013-07-09-153938_488x65_scrot](https://f.cloud.github.com/assets/4363004/766756/7f60e628-e86c-11e2-92e5-13c7476cdc93.jpg)