Changed local_yields folder name
Added fields
	new file:   data/local_fields.csv
	new file:   img/kn40.jpg
Merge branch 'master' of https://github.com/jbencook/cs171-ag-viz
merging chad and ryan
Merge branch 'master' of https://github.com/jbencook/cs171-ag-viz
merging in county changes
	modified:   data/local_fields.csv
	modified:   src/LocalYield.js