Layout

Bootstrap and dependency files
adding script for creating geojson file
trying to commit the json datafile
changing NULL to null for js
completed population density choropleth. Need to finish styling changes and add irrigation data. Need to move JSON to own file (currently within main.js). Click events need to bound to buttons.
Merge branch 'master' into Adrienne

Conflicts:
	data/Kenya_districts98/kenya_districts98.json
choropleth color mapping
Merge branch 'master' into Adrienne2

Conflicts:
	public/javascripts/main.js
Merge branch 'master' into Tej_branch

Conflicts:
	views/index.ejs
Moved assets into /public.
Resized map container.
Testing out map region hover popover-type info.
Debugging hover popover.
Almost there.
added initial styling
fixed conflicts