USGS-CIDA/CIDA-Viz — pull request #96 by jread-usgs (2014-09-26 21:22:50+00:00)
Title: adding drought calc and crop viz

![image](https://cloud.githubusercontent.com/assets/2349007/4427762/20f853e0-45c3-11e4-9419-6886f3e69094.png)

Experimenting with interactive viz for @ayan-usgs 's plots. Also, created a statewide area-weighted drought index calculation method.