added kielian.zsh-theme

Personally proud of this theme.

Theme includes status, in terms of appropriate unicode kanji
Theme has greener (more old-school terminal) feel

Please see screenshots :smiley: :
![attach](https://cloud.githubusercontent.com/assets/4149080/5237123/8929459c-7821-11e4-9ee3-bc967a16aee0.png)

(changed my username temporarily for the screenshots)