Add Favicon!?!?!?!

:exclamation::exclamation::exclamation::exclamation::exclamation::exclamation::exclamation::exclamation::exclamation::exclamation::exclamation::exclamation::exclamation: 
:fireworks::fireworks::fireworks::fireworks::fireworks::fireworks::fireworks::fireworks::fireworks::fireworks::fireworks::fireworks::fireworks:

Behold: ![image](https://cloud.githubusercontent.com/assets/5534398/5149048/c433ec54-7192-11e4-9bab-f700053a3812.png)

Addresses issue #18