Started integration of IPython Notebook with Geoanalytics.  Made major updates to ga_resources, fixing multiple issues with saving, caching, rendering, and added the beginnings of a stylesheet editor to the app.
fixed an error on cache purging. interactivity includes a hardcoded model path.  fix it later
fixed a couple of minor bugs in the shapefile driver
added geotiff driver. like a boss
geotiff driver makes images.  yay!
more sane version of the extract code for shapefiles
fixed GetFeatureInfo to work with OpenLayers
Merge pull request #1 from TerraHub/develop

Develop