Adds favicon and web icon package by Julien Derveaux via the Noun Project under CC-BY 3.0 License. Icon files generated by IconFly 2.2.1. Source: http://thenounproject.com/term/drop/48086/
Adds real drought data and fixes the map to properly display portions of it.
Adds `topojson` as a dev dependency.
Selects generated drought map of California.
minor cleanup
Adds `rainChart` using Rickshaw directly. Removes `angular-rickshaw` dependency.